56435340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72353}}^1$

素因数の和:72378

約数の個数: 48

約数和(自身を含む): 170176608

約数和(自身を除く): 113741268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72353, 144706, 217059, 289412, 361765, 434118, 723530, 868236, 940589, 1085295, 1447060, 1881178, 2170590, 2821767, 3762356, 4341180, 4702945, 5643534, 9405890, 11287068, 14108835, 18811780, 28217670, 56435340]

約数ペア:

[(1, 56435340), (2, 28217670), (3, 18811780), (4, 14108835), (5, 11287068), (6, 9405890), (10, 5643534), (12, 4702945), (13, 4341180), (15, 3762356), (20, 2821767), (26, 2170590), (30, 1881178), (39, 1447060), (52, 1085295), (60, 940589), (65, 868236), (78, 723530), (130, 434118), (156, 361765), (195, 289412), (260, 217059), (390, 144706), (780, 72353)]