1890990080

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 384

約数和(自身を含む): 5736407040

約数和(自身を除く): 3845416960

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, 92, 112, 115, 124, 128, 140, 148, 155, 160, 161, 184, 185, 217, 224, 230, 248, 256, 259, 280, 296, 310, 320, 322, 368, 370, 434, 448, 460, 496, 512, 518, 560, 592, 620, 640, 644, 713, 736, 740, 805, 851, 868, 896, 920, 992, 1024, 1036, 1085, 1120, 1147, 1184, 1240, 1280, 1288, 1295, 1426, 1472, 1480, 1610, 1702, 1736, 1792, 1840, 1984, 2048, 2072, 2170, 2240, 2294, 2368, 2480, 2560, 2576, 2590, 2852, 2944, 2960, 3220, 3404, 3472, 3565, 3584, 3680, 3968, 4144, 4255, 4340, 4480, 4588, 4736, 4960, 4991, 5120, 5152, 5180, 5704, 5735, 5888, 5920, 5957, 6440, 6808, 6944, 7130, 7168, 7360, 7936, 8029, 8288, 8510, 8680, 8960, 9176, 9472, 9920, 9982, 10240, 10304, 10360, 11408, 11470, 11776, 11840, 11914, 12880, 13616, 13888, 14260, 14336, 14720, 15872, 16058, 16576, 17020, 17360, 17920, 18352, 18944, 19840, 19964, 20608, 20720, 22816, 22940, 23552, 23680, 23828, 24955, 25760, 26381, 27232, 27776, 28520, 29440, 29785, 31744, 32116, 33152, 34040, 34720, 35840, 36704, 37888, 39680, 39928, 40145, 41216, 41440, 45632, 45880, 47104, 47360, 47656, 49910, 51520, 52762, 54464, 55552, 57040, 58880, 59570, 63488, 64232, 66304, 68080, 69440, 71680, 73408, 75776, 79360, 79856, 80290, 82432, 82880, 91264, 91760, 94720, 95312, 99820, 103040, 105524, 108928, 111104, 114080, 117760, 119140, 128464, 131905, 132608, 136160, 138880, 146816, 158720, 159712, 160580, 164864, 165760, 182528, 183520, 184667, 189440, 190624, 199640, 206080, 211048, 217856, 222208, 228160, 235520, 238280, 256928, 263810, 265216, 272320, 277760, 293632, 317440, 319424, 321160, 329728, 331520, 365056, 367040, 369334, 378880, 381248, 399280, 412160, 422096, 435712, 444416, 456320, 476560, 513856, 527620, 530432, 544640, 555520, 587264, 638848, 642320, 663040, 730112, 734080, 738668, 762496, 798560, 824320, 844192, 871424, 912640, 923335, 953120, 1027712, 1055240, 1089280, 1111040, 1174528, 1277696, 1284640, 1326080, 1460224, 1468160, 1477336, 1524992, 1597120, 1648640, 1688384, 1742848, 1825280, 1846670, 1906240, 2055424, 2110480, 2178560, 2222080, 2349056, 2555392, 2569280, 2652160, 2936320, 2954672, 3049984, 3194240, 3376768, 3650560, 3693340, 3812480, 4110848, 4220960, 4357120, 5110784, 5138560, 5872640, 5909344, 6099968, 6388480, 6753536, 7301120, 7386680, 7624960, 8221696, 8441920, 8714240, 10221568, 10277120, 11745280, 11818688, 12199936, 12776960, 13507072, 14773360, 15249920, 16443392, 16883840, 20554240, 23637376, 25553920, 27014144, 29546720, 30499840, 33767680, 41108480, 47274752, 51107840, 54028288, 59093440, 60999680, 67535360, 82216960, 94549504, 118186880, 135070720, 189099008, 236373760, 270141440, 378198016, 472747520, 945495040, 1890990080]

約数ペア:

[(1, 1890990080), (2, 945495040), (4, 472747520), (5, 378198016), (7, 270141440), (8, 236373760), (10, 189099008), (14, 135070720), (16, 118186880), (20, 94549504), (23, 82216960), (28, 67535360), (31, 60999680), (32, 59093440), (35, 54028288), (37, 51107840), (40, 47274752), (46, 41108480), (56, 33767680), (62, 30499840), (64, 29546720), (70, 27014144), (74, 25553920), (80, 23637376), (92, 20554240), (112, 16883840), (115, 16443392), (124, 15249920), (128, 14773360), (140, 13507072), (148, 12776960), (155, 12199936), (160, 11818688), (161, 11745280), (184, 10277120), (185, 10221568), (217, 8714240), (224, 8441920), (230, 8221696), (248, 7624960), (256, 7386680), (259, 7301120), (280, 6753536), (296, 6388480), (310, 6099968), (320, 5909344), (322, 5872640), (368, 5138560), (370, 5110784), (434, 4357120), (448, 4220960), (460, 4110848), (496, 3812480), (512, 3693340), (518, 3650560), (560, 3376768), (592, 3194240), (620, 3049984), (640, 2954672), (644, 2936320), (713, 2652160), (736, 2569280), (740, 2555392), (805, 2349056), (851, 2222080), (868, 2178560), (896, 2110480), (920, 2055424), (992, 1906240), (1024, 1846670), (1036, 1825280), (1085, 1742848), (1120, 1688384), (1147, 1648640), (1184, 1597120), (1240, 1524992), (1280, 1477336), (1288, 1468160), (1295, 1460224), (1426, 1326080), (1472, 1284640), (1480, 1277696), (1610, 1174528), (1702, 1111040), (1736, 1089280), (1792, 1055240), (1840, 1027712), (1984, 953120), (2048, 923335), (2072, 912640), (2170, 871424), (2240, 844192), (2294, 824320), (2368, 798560), (2480, 762496), (2560, 738668), (2576, 734080), (2590, 730112), (2852, 663040), (2944, 642320), (2960, 638848), (3220, 587264), (3404, 555520), (3472, 544640), (3565, 530432), (3584, 527620), (3680, 513856), (3968, 476560), (4144, 456320), (4255, 444416), (4340, 435712), (4480, 422096), (4588, 412160), (4736, 399280), (4960, 381248), (4991, 378880), (5120, 369334), (5152, 367040), (5180, 365056), (5704, 331520), (5735, 329728), (5888, 321160), (5920, 319424), (5957, 317440), (6440, 293632), (6808, 277760), (6944, 272320), (7130, 265216), (7168, 263810), (7360, 256928), (7936, 238280), (8029, 235520), (8288, 228160), (8510, 222208), (8680, 217856), (8960, 211048), (9176, 206080), (9472, 199640), (9920, 190624), (9982, 189440), (10240, 184667), (10304, 183520), (10360, 182528), (11408, 165760), (11470, 164864), (11776, 160580), (11840, 159712), (11914, 158720), (12880, 146816), (13616, 138880), (13888, 136160), (14260, 132608), (14336, 131905), (14720, 128464), (15872, 119140), (16058, 117760), (16576, 114080), (17020, 111104), (17360, 108928), (17920, 105524), (18352, 103040), (18944, 99820), (19840, 95312), (19964, 94720), (20608, 91760), (20720, 91264), (22816, 82880), (22940, 82432), (23552, 80290), (23680, 79856), (23828, 79360), (24955, 75776), (25760, 73408), (26381, 71680), (27232, 69440), (27776, 68080), (28520, 66304), (29440, 64232), (29785, 63488), (31744, 59570), (32116, 58880), (33152, 57040), (34040, 55552), (34720, 54464), (35840, 52762), (36704, 51520), (37888, 49910), (39680, 47656), (39928, 47360), (40145, 47104), (41216, 45880), (41440, 45632)]