74129680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 180845568

約数和(自身を除く): 106715888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 421, 496, 568, 620, 710, 842, 1136, 1240, 1420, 1684, 2105, 2201, 2480, 2840, 3368, 4210, 4402, 5680, 6736, 8420, 8804, 11005, 13051, 16840, 17608, 22010, 26102, 29891, 33680, 35216, 44020, 52204, 59782, 65255, 88040, 104408, 119564, 130510, 149455, 176080, 208816, 239128, 261020, 298910, 478256, 522040, 597820, 926621, 1044080, 1195640, 1853242, 2391280, 3706484, 4633105, 7412968, 9266210, 14825936, 18532420, 37064840, 74129680]

約数ペア:

[(1, 74129680), (2, 37064840), (4, 18532420), (5, 14825936), (8, 9266210), (10, 7412968), (16, 4633105), (20, 3706484), (31, 2391280), (40, 1853242), (62, 1195640), (71, 1044080), (80, 926621), (124, 597820), (142, 522040), (155, 478256), (248, 298910), (284, 261020), (310, 239128), (355, 208816), (421, 176080), (496, 149455), (568, 130510), (620, 119564), (710, 104408), (842, 88040), (1136, 65255), (1240, 59782), (1420, 52204), (1684, 44020), (2105, 35216), (2201, 33680), (2480, 29891), (2840, 26102), (3368, 22010), (4210, 17608), (4402, 16840), (5680, 13051), (6736, 11005), (8420, 8804)]