1261087880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{142657}}^1$

素因数の和:142698

約数の個数: 64

約数和(自身を含む): 3235483440

約数和(自身を除く): 1974395560

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, 142657, 285314, 570628, 713285, 1141256, 1426570, 1854541, 2425169, 2853140, 3709082, 4850338, 5706280, 7418164, 9272705, 9700676, 12125845, 14836328, 18545410, 19401352, 24251690, 31527197, 37090820, 48503380, 63054394, 74181640, 97006760, 126108788, 157635985, 252217576, 315271970, 630543940, 1261087880]

約数ペア:

[(1, 1261087880), (2, 630543940), (4, 315271970), (5, 252217576), (8, 157635985), (10, 126108788), (13, 97006760), (17, 74181640), (20, 63054394), (26, 48503380), (34, 37090820), (40, 31527197), (52, 24251690), (65, 19401352), (68, 18545410), (85, 14836328), (104, 12125845), (130, 9700676), (136, 9272705), (170, 7418164), (221, 5706280), (260, 4850338), (340, 3709082), (442, 2853140), (520, 2425169), (680, 1854541), (884, 1426570), (1105, 1141256), (1768, 713285), (2210, 570628), (4420, 285314), (8840, 142657)]