81755940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5261}}^1$

素因数の和:5317

約数の個数: 96

約数和(自身を含む): 268740864

約数和(自身を除く): 186984924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 5261, 7770, 10522, 15540, 15783, 21044, 26305, 31566, 36827, 52610, 63132, 73654, 78915, 105220, 110481, 147308, 157830, 184135, 194657, 220962, 315660, 368270, 389314, 441924, 552405, 583971, 736540, 778628, 973285, 1104810, 1167942, 1362599, 1946570, 2209620, 2335884, 2725198, 2919855, 3893140, 4087797, 5450396, 5839710, 6812995, 8175594, 11679420, 13625990, 16351188, 20438985, 27251980, 40877970, 81755940]

約数ペア:

[(1, 81755940), (2, 40877970), (3, 27251980), (4, 20438985), (5, 16351188), (6, 13625990), (7, 11679420), (10, 8175594), (12, 6812995), (14, 5839710), (15, 5450396), (20, 4087797), (21, 3893140), (28, 2919855), (30, 2725198), (35, 2335884), (37, 2209620), (42, 1946570), (60, 1362599), (70, 1167942), (74, 1104810), (84, 973285), (105, 778628), (111, 736540), (140, 583971), (148, 552405), (185, 441924), (210, 389314), (222, 368270), (259, 315660), (370, 220962), (420, 194657), (444, 184135), (518, 157830), (555, 147308), (740, 110481), (777, 105220), (1036, 78915), (1110, 73654), (1295, 63132), (1554, 52610), (2220, 36827), (2590, 31566), (3108, 26305), (3885, 21044), (5180, 15783), (5261, 15540), (7770, 10522)]