72494720

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 174420000

約数和(自身を除く): 101925280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 454, 499, 640, 908, 998, 1135, 1816, 1996, 2270, 2495, 3632, 3992, 4540, 4990, 7264, 7984, 9080, 9980, 14528, 15968, 18160, 19960, 29056, 31936, 36320, 39920, 63872, 72640, 79840, 113273, 145280, 159680, 226546, 319360, 453092, 566365, 906184, 1132730, 1812368, 2265460, 3624736, 4530920, 7249472, 9061840, 14498944, 18123680, 36247360, 72494720]

約数ペア:

[(1, 72494720), (2, 36247360), (4, 18123680), (5, 14498944), (8, 9061840), (10, 7249472), (16, 4530920), (20, 3624736), (32, 2265460), (40, 1812368), (64, 1132730), (80, 906184), (128, 566365), (160, 453092), (227, 319360), (320, 226546), (454, 159680), (499, 145280), (640, 113273), (908, 79840), (998, 72640), (1135, 63872), (1816, 39920), (1996, 36320), (2270, 31936), (2495, 29056), (3632, 19960), (3992, 18160), (4540, 15968), (4990, 14528), (7264, 9980), (7984, 9080)]