72031240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 168136560

約数和(自身を除く): 96105320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 557, 610, 1060, 1114, 1220, 2120, 2228, 2440, 2785, 3233, 4456, 5570, 6466, 11140, 12932, 16165, 22280, 25864, 29521, 32330, 33977, 59042, 64660, 67954, 118084, 129320, 135908, 147605, 169885, 236168, 271816, 295210, 339770, 590420, 679540, 1180840, 1359080, 1800781, 3601562, 7203124, 9003905, 14406248, 18007810, 36015620, 72031240]

約数ペア:

[(1, 72031240), (2, 36015620), (4, 18007810), (5, 14406248), (8, 9003905), (10, 7203124), (20, 3601562), (40, 1800781), (53, 1359080), (61, 1180840), (106, 679540), (122, 590420), (212, 339770), (244, 295210), (265, 271816), (305, 236168), (424, 169885), (488, 147605), (530, 135908), (557, 129320), (610, 118084), (1060, 67954), (1114, 64660), (1220, 59042), (2120, 33977), (2228, 32330), (2440, 29521), (2785, 25864), (3233, 22280), (4456, 16165), (5570, 12932), (6466, 11140)]