655565560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74159}}^1$

素因数の和:74200

約数の個数: 64

約数和(自身を含む): 1681948800

約数和(自身を除く): 1026383240

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, 74159, 148318, 296636, 370795, 593272, 741590, 964067, 1260703, 1483180, 1928134, 2521406, 2966360, 3856268, 4820335, 5042812, 6303515, 7712536, 9640670, 10085624, 12607030, 16389139, 19281340, 25214060, 32778278, 38562680, 50428120, 65556556, 81945695, 131113112, 163891390, 327782780, 655565560]

約数ペア:

[(1, 655565560), (2, 327782780), (4, 163891390), (5, 131113112), (8, 81945695), (10, 65556556), (13, 50428120), (17, 38562680), (20, 32778278), (26, 25214060), (34, 19281340), (40, 16389139), (52, 12607030), (65, 10085624), (68, 9640670), (85, 7712536), (104, 6303515), (130, 5042812), (136, 4820335), (170, 3856268), (221, 2966360), (260, 2521406), (340, 1928134), (442, 1483180), (520, 1260703), (680, 964067), (884, 741590), (1105, 593272), (1768, 370795), (2210, 296636), (4420, 148318), (8840, 74159)]