71769640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 168428160

約数和(自身を除く): 96658520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 683, 710, 740, 1366, 1420, 1480, 2627, 2732, 2840, 3415, 5254, 5464, 6830, 10508, 13135, 13660, 21016, 25271, 26270, 27320, 48493, 50542, 52540, 96986, 101084, 105080, 126355, 193972, 202168, 242465, 252710, 387944, 484930, 505420, 969860, 1010840, 1794241, 1939720, 3588482, 7176964, 8971205, 14353928, 17942410, 35884820, 71769640]

約数ペア:

[(1, 71769640), (2, 35884820), (4, 17942410), (5, 14353928), (8, 8971205), (10, 7176964), (20, 3588482), (37, 1939720), (40, 1794241), (71, 1010840), (74, 969860), (142, 505420), (148, 484930), (185, 387944), (284, 252710), (296, 242465), (355, 202168), (370, 193972), (568, 126355), (683, 105080), (710, 101084), (740, 96986), (1366, 52540), (1420, 50542), (1480, 48493), (2627, 27320), (2732, 26270), (2840, 25271), (3415, 21016), (5254, 13660), (5464, 13135), (6830, 10508)]