30051280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 80780544

約数和(自身を除く): 50729264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 521, 560, 721, 824, 1030, 1042, 1442, 1648, 2060, 2084, 2605, 2884, 3605, 3647, 4120, 4168, 5210, 5768, 7210, 7294, 8240, 8336, 10420, 11536, 14420, 14588, 18235, 20840, 28840, 29176, 36470, 41680, 53663, 57680, 58352, 72940, 107326, 145880, 214652, 268315, 291760, 375641, 429304, 536630, 751282, 858608, 1073260, 1502564, 1878205, 2146520, 3005128, 3756410, 4293040, 6010256, 7512820, 15025640, 30051280]

約数ペア:

[(1, 30051280), (2, 15025640), (4, 7512820), (5, 6010256), (7, 4293040), (8, 3756410), (10, 3005128), (14, 2146520), (16, 1878205), (20, 1502564), (28, 1073260), (35, 858608), (40, 751282), (56, 536630), (70, 429304), (80, 375641), (103, 291760), (112, 268315), (140, 214652), (206, 145880), (280, 107326), (412, 72940), (515, 58352), (521, 57680), (560, 53663), (721, 41680), (824, 36470), (1030, 29176), (1042, 28840), (1442, 20840), (1648, 18235), (2060, 14588), (2084, 14420), (2605, 11536), (2884, 10420), (3605, 8336), (3647, 8240), (4120, 7294), (4168, 7210), (5210, 5768)]