21698571520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1781

約数の個数: 288

約数和(自身を含む): 59832622080

約数和(自身を除く): 38134050560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 64, 68, 76, 80, 85, 95, 124, 128, 136, 152, 155, 160, 170, 190, 248, 256, 272, 304, 310, 320, 323, 340, 380, 496, 527, 544, 589, 608, 620, 640, 646, 680, 760, 992, 1054, 1088, 1178, 1216, 1240, 1280, 1292, 1360, 1520, 1615, 1693, 1984, 2108, 2176, 2356, 2432, 2480, 2584, 2635, 2720, 2945, 3040, 3230, 3386, 3968, 4216, 4352, 4712, 4864, 4960, 5168, 5270, 5440, 5890, 6080, 6460, 6772, 7936, 8432, 8465, 9424, 9920, 10013, 10336, 10540, 10880, 11780, 12160, 12920, 13544, 16864, 16930, 18848, 19840, 20026, 20672, 21080, 21760, 23560, 24320, 25840, 27088, 28781, 32167, 33728, 33860, 37696, 39680, 40052, 41344, 42160, 47120, 50065, 51680, 52483, 54176, 57562, 64334, 67456, 67720, 75392, 80104, 82688, 84320, 94240, 100130, 103360, 104966, 108352, 115124, 128668, 134912, 135440, 143905, 150784, 160208, 160835, 168640, 188480, 200260, 206720, 209932, 216704, 230248, 257336, 262415, 270880, 287810, 320416, 321670, 337280, 376960, 400520, 413440, 419864, 433408, 460496, 514672, 524830, 541760, 546839, 575620, 640832, 643340, 674560, 753920, 801040, 839728, 892211, 920992, 997177, 1029344, 1049660, 1083520, 1093678, 1151240, 1281664, 1286680, 1602080, 1679456, 1784422, 1841984, 1994354, 2058688, 2099320, 2167040, 2187356, 2302480, 2563328, 2573360, 2734195, 3204160, 3358912, 3568844, 3683968, 3988708, 4117376, 4198640, 4374712, 4461055, 4604960, 4985885, 5146720, 5468390, 6408320, 6717824, 7137688, 7367936, 7977416, 8234752, 8397280, 8749424, 8922110, 9209920, 9971770, 10293440, 10936780, 12816640, 13435648, 14275376, 15954832, 16794560, 16952009, 17498848, 17844220, 18419840, 19943540, 20586880, 21873560, 28550752, 31909664, 33589120, 33904018, 34997696, 35688440, 36839680, 39887080, 41173760, 43747120, 57101504, 63819328, 67178240, 67808036, 69995392, 71376880, 79774160, 84760045, 87494240, 114203008, 127638656, 135616072, 139990784, 142753760, 159548320, 169520090, 174988480, 228406016, 255277312, 271232144, 285507520, 319096640, 339040180, 349976960, 542464288, 571015040, 638193280, 678080360, 699953920, 1084928576, 1142030080, 1276386560, 1356160720, 2169857152, 2712321440, 4339714304, 5424642880, 10849285760, 21698571520]

約数ペア:

[(1, 21698571520), (2, 10849285760), (4, 5424642880), (5, 4339714304), (8, 2712321440), (10, 2169857152), (16, 1356160720), (17, 1276386560), (19, 1142030080), (20, 1084928576), (31, 699953920), (32, 678080360), (34, 638193280), (38, 571015040), (40, 542464288), (62, 349976960), (64, 339040180), (68, 319096640), (76, 285507520), (80, 271232144), (85, 255277312), (95, 228406016), (124, 174988480), (128, 169520090), (136, 159548320), (152, 142753760), (155, 139990784), (160, 135616072), (170, 127638656), (190, 114203008), (248, 87494240), (256, 84760045), (272, 79774160), (304, 71376880), (310, 69995392), (320, 67808036), (323, 67178240), (340, 63819328), (380, 57101504), (496, 43747120), (527, 41173760), (544, 39887080), (589, 36839680), (608, 35688440), (620, 34997696), (640, 33904018), (646, 33589120), (680, 31909664), (760, 28550752), (992, 21873560), (1054, 20586880), (1088, 19943540), (1178, 18419840), (1216, 17844220), (1240, 17498848), (1280, 16952009), (1292, 16794560), (1360, 15954832), (1520, 14275376), (1615, 13435648), (1693, 12816640), (1984, 10936780), (2108, 10293440), (2176, 9971770), (2356, 9209920), (2432, 8922110), (2480, 8749424), (2584, 8397280), (2635, 8234752), (2720, 7977416), (2945, 7367936), (3040, 7137688), (3230, 6717824), (3386, 6408320), (3968, 5468390), (4216, 5146720), (4352, 4985885), (4712, 4604960), (4864, 4461055), (4960, 4374712), (5168, 4198640), (5270, 4117376), (5440, 3988708), (5890, 3683968), (6080, 3568844), (6460, 3358912), (6772, 3204160), (7936, 2734195), (8432, 2573360), (8465, 2563328), (9424, 2302480), (9920, 2187356), (10013, 2167040), (10336, 2099320), (10540, 2058688), (10880, 1994354), (11780, 1841984), (12160, 1784422), (12920, 1679456), (13544, 1602080), (16864, 1286680), (16930, 1281664), (18848, 1151240), (19840, 1093678), (20026, 1083520), (20672, 1049660), (21080, 1029344), (21760, 997177), (23560, 920992), (24320, 892211), (25840, 839728), (27088, 801040), (28781, 753920), (32167, 674560), (33728, 643340), (33860, 640832), (37696, 575620), (39680, 546839), (40052, 541760), (41344, 524830), (42160, 514672), (47120, 460496), (50065, 433408), (51680, 419864), (52483, 413440), (54176, 400520), (57562, 376960), (64334, 337280), (67456, 321670), (67720, 320416), (75392, 287810), (80104, 270880), (82688, 262415), (84320, 257336), (94240, 230248), (100130, 216704), (103360, 209932), (104966, 206720), (108352, 200260), (115124, 188480), (128668, 168640), (134912, 160835), (135440, 160208), (143905, 150784)]