74815280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15331}}^1$

素因数の和:15405

約数の個数: 40

約数和(自身を含む): 176808624

約数和(自身を除く): 101993344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15331, 30662, 61324, 76655, 122648, 153310, 245296, 306620, 613240, 935191, 1226480, 1870382, 3740764, 4675955, 7481528, 9351910, 14963056, 18703820, 37407640, 74815280]

約数ペア:

[(1, 74815280), (2, 37407640), (4, 18703820), (5, 14963056), (8, 9351910), (10, 7481528), (16, 4675955), (20, 3740764), (40, 1870382), (61, 1226480), (80, 935191), (122, 613240), (244, 306620), (305, 245296), (488, 153310), (610, 122648), (976, 76655), (1220, 61324), (2440, 30662), (4880, 15331)]