81104370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2435

約数の個数: 64

約数和(自身を含む): 206447616

約数和(自身を除く): 125343246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 930, 1110, 1147, 2294, 2357, 3441, 4714, 5735, 6882, 7071, 11470, 11785, 14142, 17205, 23570, 34410, 35355, 70710, 73067, 87209, 146134, 174418, 219201, 261627, 365335, 436045, 438402, 523254, 730670, 872090, 1096005, 1308135, 2192010, 2616270, 2703479, 5406958, 8110437, 13517395, 16220874, 27034790, 40552185, 81104370]

約数ペア:

[(1, 81104370), (2, 40552185), (3, 27034790), (5, 16220874), (6, 13517395), (10, 8110437), (15, 5406958), (30, 2703479), (31, 2616270), (37, 2192010), (62, 1308135), (74, 1096005), (93, 872090), (111, 730670), (155, 523254), (185, 438402), (186, 436045), (222, 365335), (310, 261627), (370, 219201), (465, 174418), (555, 146134), (930, 87209), (1110, 73067), (1147, 70710), (2294, 35355), (2357, 34410), (3441, 23570), (4714, 17205), (5735, 14142), (6882, 11785), (7071, 11470)]