1279227560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{144709}}^1$

素因数の和:144750

約数の個数: 64

約数和(自身を含む): 3282022800

約数和(自身を除く): 2002795240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 144709, 289418, 578836, 723545, 1157672, 1447090, 1881217, 2460053, 2894180, 3762434, 4920106, 5788360, 7524868, 9406085, 9840212, 12300265, 15049736, 18812170, 19680424, 24600530, 31980689, 37624340, 49201060, 63961378, 75248680, 98402120, 127922756, 159903445, 255845512, 319806890, 639613780, 1279227560]

約数ペア:

[(1, 1279227560), (2, 639613780), (4, 319806890), (5, 255845512), (8, 159903445), (10, 127922756), (13, 98402120), (17, 75248680), (20, 63961378), (26, 49201060), (34, 37624340), (40, 31980689), (52, 24600530), (65, 19680424), (68, 18812170), (85, 15049736), (104, 12300265), (130, 9840212), (136, 9406085), (170, 7524868), (221, 5788360), (260, 4920106), (340, 3762434), (442, 2894180), (520, 2460053), (680, 1881217), (884, 1447090), (1105, 1157672), (1768, 723545), (2210, 578836), (4420, 289418), (8840, 144709)]