3257480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 7879680

約数和(自身を除く): 4622200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 71, 74, 124, 142, 148, 155, 185, 248, 284, 296, 310, 355, 370, 568, 620, 710, 740, 1147, 1240, 1420, 1480, 2201, 2294, 2627, 2840, 4402, 4588, 5254, 5735, 8804, 9176, 10508, 11005, 11470, 13135, 17608, 21016, 22010, 22940, 26270, 44020, 45880, 52540, 81437, 88040, 105080, 162874, 325748, 407185, 651496, 814370, 1628740, 3257480]

約数ペア:

[(1, 3257480), (2, 1628740), (4, 814370), (5, 651496), (8, 407185), (10, 325748), (20, 162874), (31, 105080), (37, 88040), (40, 81437), (62, 52540), (71, 45880), (74, 44020), (124, 26270), (142, 22940), (148, 22010), (155, 21016), (185, 17608), (248, 13135), (284, 11470), (296, 11005), (310, 10508), (355, 9176), (370, 8804), (568, 5735), (620, 5254), (710, 4588), (740, 4402), (1147, 2840), (1240, 2627), (1420, 2294), (1480, 2201)]