21037264640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 576

約数和(自身を含む): 64424263680

約数和(自身を除く): 43386999040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 37, 40, 46, 56, 62, 64, 70, 74, 80, 89, 92, 112, 115, 124, 128, 140, 148, 155, 160, 161, 178, 184, 185, 217, 224, 230, 248, 256, 259, 280, 296, 310, 320, 322, 356, 368, 370, 434, 445, 448, 460, 496, 518, 560, 592, 620, 623, 640, 644, 712, 713, 736, 740, 805, 851, 868, 890, 896, 920, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1246, 1280, 1288, 1295, 1424, 1426, 1472, 1480, 1610, 1702, 1736, 1780, 1792, 1840, 1984, 2047, 2072, 2170, 2240, 2294, 2368, 2480, 2492, 2576, 2590, 2759, 2848, 2852, 2944, 2960, 3115, 3220, 3293, 3404, 3472, 3560, 3565, 3680, 3968, 4094, 4144, 4255, 4340, 4480, 4588, 4736, 4960, 4984, 4991, 5152, 5180, 5518, 5696, 5704, 5735, 5888, 5920, 5957, 6230, 6440, 6586, 6808, 6944, 7120, 7130, 7360, 7936, 8029, 8188, 8288, 8510, 8680, 8960, 9176, 9472, 9920, 9968, 9982, 10235, 10304, 10360, 11036, 11392, 11408, 11470, 11840, 11914, 12460, 12880, 13172, 13616, 13795, 13888, 14240, 14260, 14329, 14720, 16058, 16376, 16465, 16576, 17020, 17360, 18352, 19313, 19840, 19936, 19964, 20470, 20608, 20720, 22072, 22784, 22816, 22940, 23051, 23680, 23828, 24920, 24955, 25760, 26344, 26381, 27232, 27590, 27776, 28480, 28520, 28658, 29440, 29785, 32116, 32752, 32930, 33152, 34040, 34720, 36704, 38626, 39680, 39872, 39928, 40145, 40940, 41216, 41440, 44144, 45632, 45880, 46102, 47360, 47656, 49840, 49910, 51520, 52688, 52762, 54464, 55180, 55552, 56960, 57040, 57316, 59570, 63457, 64232, 65504, 65860, 66304, 68080, 69440, 71645, 73408, 75739, 77252, 79744, 79856, 80290, 81880, 82880, 88288, 91264, 91760, 92204, 95312, 96565, 99680, 99820, 102083, 103040, 105376, 105524, 108928, 110360, 113920, 114080, 114632, 115255, 119140, 126914, 128464, 131008, 131720, 131905, 136160, 138880, 143290, 146816, 151478, 154504, 159488, 159712, 160580, 163760, 165760, 176576, 182528, 183520, 184408, 184667, 190624, 193130, 199360, 199640, 204166, 206080, 210752, 211048, 217856, 220720, 228160, 229264, 230510, 238280, 253828, 256928, 262016, 263440, 263810, 272320, 277760, 286580, 293632, 302956, 309008, 317285, 319424, 321160, 327520, 331520, 353152, 367040, 368816, 369334, 378695, 381248, 386260, 398720, 399280, 408332, 421504, 422096, 441440, 444199, 456320, 458528, 461020, 476560, 507656, 510415, 513856, 524032, 526880, 527620, 530173, 544640, 573160, 605912, 618016, 634570, 638848, 642320, 655040, 706304, 714581, 734080, 737632, 738668, 757390, 762496, 772520, 797440, 798560, 816664, 843008, 844192, 882880, 888398, 912640, 917056, 922040, 923335, 953120, 1015312, 1020830, 1027712, 1053760, 1055240, 1060346, 1089280, 1146320, 1211824, 1236032, 1269140, 1277696, 1284640, 1310080, 1429162, 1468160, 1475264, 1477336, 1514780, 1524992, 1545040, 1597120, 1633328, 1688384, 1765760, 1776796, 1834112, 1844080, 1846670, 1906240, 2030624, 2041660, 2055424, 2107520, 2110480, 2120692, 2220995, 2292640, 2347909, 2423648, 2472064, 2538280, 2569280, 2620160, 2650865, 2858324, 2950528, 2954672, 3029560, 3090080, 3194240, 3266656, 3376768, 3531520, 3553592, 3572905, 3668224, 3688160, 3693340, 3812480, 4061248, 4083320, 4215040, 4220960, 4241384, 4441990, 4585280, 4695818, 4847296, 4944128, 5076560, 5138560, 5301730, 5716648, 5901056, 5909344, 6059120, 6180160, 6388480, 6533312, 6753536, 7107184, 7145810, 7376320, 7386680, 7624960, 8122496, 8166640, 8441920, 8482768, 8883980, 9170560, 9391636, 9694592, 10153120, 10277120, 10603460, 11433296, 11739545, 11818688, 12118240, 12360320, 13066624, 14214368, 14291620, 14752640, 14773360, 16244992, 16333280, 16435363, 16883840, 16965536, 17767960, 18341120, 18783272, 19389184, 20306240, 21206920, 22866592, 23479090, 23637376, 24236480, 24720640, 26133248, 28428736, 28583240, 29505280, 29546720, 32666560, 32870726, 33767680, 33931072, 35535920, 37566544, 40612480, 42413840, 45733184, 46958180, 47274752, 48472960, 56857472, 57166480, 59093440, 65333120, 65741452, 67862144, 71071840, 75133088, 81224960, 82176815, 84827680, 91466368, 93916360, 96945920, 113714944, 114332960, 118186880, 130666240, 131482904, 135724288, 142143680, 150266176, 164353630, 169655360, 182932736, 187832720, 228665920, 236373760, 262965808, 284287360, 300532352, 328707260, 339310720, 375665440, 457331840, 525931616, 568574720, 601064704, 657414520, 678621440, 751330880, 914663680, 1051863232, 1314829040, 1502661760, 2103726464, 2629658080, 3005323520, 4207452928, 5259316160, 10518632320, 21037264640]

約数ペア:

[(1, 21037264640), (2, 10518632320), (4, 5259316160), (5, 4207452928), (7, 3005323520), (8, 2629658080), (10, 2103726464), (14, 1502661760), (16, 1314829040), (20, 1051863232), (23, 914663680), (28, 751330880), (31, 678621440), (32, 657414520), (35, 601064704), (37, 568574720), (40, 525931616), (46, 457331840), (56, 375665440), (62, 339310720), (64, 328707260), (70, 300532352), (74, 284287360), (80, 262965808), (89, 236373760), (92, 228665920), (112, 187832720), (115, 182932736), (124, 169655360), (128, 164353630), (140, 150266176), (148, 142143680), (155, 135724288), (160, 131482904), (161, 130666240), (178, 118186880), (184, 114332960), (185, 113714944), (217, 96945920), (224, 93916360), (230, 91466368), (248, 84827680), (256, 82176815), (259, 81224960), (280, 75133088), (296, 71071840), (310, 67862144), (320, 65741452), (322, 65333120), (356, 59093440), (368, 57166480), (370, 56857472), (434, 48472960), (445, 47274752), (448, 46958180), (460, 45733184), (496, 42413840), (518, 40612480), (560, 37566544), (592, 35535920), (620, 33931072), (623, 33767680), (640, 32870726), (644, 32666560), (712, 29546720), (713, 29505280), (736, 28583240), (740, 28428736), (805, 26133248), (851, 24720640), (868, 24236480), (890, 23637376), (896, 23479090), (920, 22866592), (992, 21206920), (1036, 20306240), (1085, 19389184), (1120, 18783272), (1147, 18341120), (1184, 17767960), (1240, 16965536), (1246, 16883840), (1280, 16435363), (1288, 16333280), (1295, 16244992), (1424, 14773360), (1426, 14752640), (1472, 14291620), (1480, 14214368), (1610, 13066624), (1702, 12360320), (1736, 12118240), (1780, 11818688), (1792, 11739545), (1840, 11433296), (1984, 10603460), (2047, 10277120), (2072, 10153120), (2170, 9694592), (2240, 9391636), (2294, 9170560), (2368, 8883980), (2480, 8482768), (2492, 8441920), (2576, 8166640), (2590, 8122496), (2759, 7624960), (2848, 7386680), (2852, 7376320), (2944, 7145810), (2960, 7107184), (3115, 6753536), (3220, 6533312), (3293, 6388480), (3404, 6180160), (3472, 6059120), (3560, 5909344), (3565, 5901056), (3680, 5716648), (3968, 5301730), (4094, 5138560), (4144, 5076560), (4255, 4944128), (4340, 4847296), (4480, 4695818), (4588, 4585280), (4736, 4441990), (4960, 4241384), (4984, 4220960), (4991, 4215040), (5152, 4083320), (5180, 4061248), (5518, 3812480), (5696, 3693340), (5704, 3688160), (5735, 3668224), (5888, 3572905), (5920, 3553592), (5957, 3531520), (6230, 3376768), (6440, 3266656), (6586, 3194240), (6808, 3090080), (6944, 3029560), (7120, 2954672), (7130, 2950528), (7360, 2858324), (7936, 2650865), (8029, 2620160), (8188, 2569280), (8288, 2538280), (8510, 2472064), (8680, 2423648), (8960, 2347909), (9176, 2292640), (9472, 2220995), (9920, 2120692), (9968, 2110480), (9982, 2107520), (10235, 2055424), (10304, 2041660), (10360, 2030624), (11036, 1906240), (11392, 1846670), (11408, 1844080), (11470, 1834112), (11840, 1776796), (11914, 1765760), (12460, 1688384), (12880, 1633328), (13172, 1597120), (13616, 1545040), (13795, 1524992), (13888, 1514780), (14240, 1477336), (14260, 1475264), (14329, 1468160), (14720, 1429162), (16058, 1310080), (16376, 1284640), (16465, 1277696), (16576, 1269140), (17020, 1236032), (17360, 1211824), (18352, 1146320), (19313, 1089280), (19840, 1060346), (19936, 1055240), (19964, 1053760), (20470, 1027712), (20608, 1020830), (20720, 1015312), (22072, 953120), (22784, 923335), (22816, 922040), (22940, 917056), (23051, 912640), (23680, 888398), (23828, 882880), (24920, 844192), (24955, 843008), (25760, 816664), (26344, 798560), (26381, 797440), (27232, 772520), (27590, 762496), (27776, 757390), (28480, 738668), (28520, 737632), (28658, 734080), (29440, 714581), (29785, 706304), (32116, 655040), (32752, 642320), (32930, 638848), (33152, 634570), (34040, 618016), (34720, 605912), (36704, 573160), (38626, 544640), (39680, 530173), (39872, 527620), (39928, 526880), (40145, 524032), (40940, 513856), (41216, 510415), (41440, 507656), (44144, 476560), (45632, 461020), (45880, 458528), (46102, 456320), (47360, 444199), (47656, 441440), (49840, 422096), (49910, 421504), (51520, 408332), (52688, 399280), (52762, 398720), (54464, 386260), (55180, 381248), (55552, 378695), (56960, 369334), (57040, 368816), (57316, 367040), (59570, 353152), (63457, 331520), (64232, 327520), (65504, 321160), (65860, 319424), (66304, 317285), (68080, 309008), (69440, 302956), (71645, 293632), (73408, 286580), (75739, 277760), (77252, 272320), (79744, 263810), (79856, 263440), (80290, 262016), (81880, 256928), (82880, 253828), (88288, 238280), (91264, 230510), (91760, 229264), (92204, 228160), (95312, 220720), (96565, 217856), (99680, 211048), (99820, 210752), (102083, 206080), (103040, 204166), (105376, 199640), (105524, 199360), (108928, 193130), (110360, 190624), (113920, 184667), (114080, 184408), (114632, 183520), (115255, 182528), (119140, 176576), (126914, 165760), (128464, 163760), (131008, 160580), (131720, 159712), (131905, 159488), (136160, 154504), (138880, 151478), (143290, 146816)]