1259261680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3037}}^1$

素因数の和:3194

約数の個数: 80

約数和(自身を含む): 3010682304

約数和(自身を除く): 1751420624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1136, 1168, 1420, 1460, 2840, 2920, 3037, 5183, 5680, 5840, 6074, 10366, 12148, 15185, 20732, 24296, 25915, 30370, 41464, 48592, 51830, 60740, 82928, 103660, 121480, 207320, 215627, 221701, 242960, 414640, 431254, 443402, 862508, 886804, 1078135, 1108505, 1725016, 1773608, 2156270, 2217010, 3450032, 3547216, 4312540, 4434020, 8625080, 8868040, 15740771, 17250160, 17736080, 31481542, 62963084, 78703855, 125926168, 157407710, 251852336, 314815420, 629630840, 1259261680]

約数ペア:

[(1, 1259261680), (2, 629630840), (4, 314815420), (5, 251852336), (8, 157407710), (10, 125926168), (16, 78703855), (20, 62963084), (40, 31481542), (71, 17736080), (73, 17250160), (80, 15740771), (142, 8868040), (146, 8625080), (284, 4434020), (292, 4312540), (355, 3547216), (365, 3450032), (568, 2217010), (584, 2156270), (710, 1773608), (730, 1725016), (1136, 1108505), (1168, 1078135), (1420, 886804), (1460, 862508), (2840, 443402), (2920, 431254), (3037, 414640), (5183, 242960), (5680, 221701), (5840, 215627), (6074, 207320), (10366, 121480), (12148, 103660), (15185, 82928), (20732, 60740), (24296, 51830), (25915, 48592), (30370, 41464)]