87120280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 125164520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 478, 520, 701, 956, 1195, 1402, 1912, 2390, 2804, 3107, 3505, 4780, 5608, 6214, 7010, 9113, 9560, 12428, 14020, 15535, 18226, 24856, 28040, 31070, 36452, 45565, 62140, 72904, 91130, 124280, 167539, 182260, 335078, 364520, 670156, 837695, 1340312, 1675390, 2178007, 3350780, 4356014, 6701560, 8712028, 10890035, 17424056, 21780070, 43560140, 87120280]

約数ペア:

[(1, 87120280), (2, 43560140), (4, 21780070), (5, 17424056), (8, 10890035), (10, 8712028), (13, 6701560), (20, 4356014), (26, 3350780), (40, 2178007), (52, 1675390), (65, 1340312), (104, 837695), (130, 670156), (239, 364520), (260, 335078), (478, 182260), (520, 167539), (701, 124280), (956, 91130), (1195, 72904), (1402, 62140), (1912, 45565), (2390, 36452), (2804, 31070), (3107, 28040), (3505, 24856), (4780, 18226), (5608, 15535), (6214, 14020), (7010, 12428), (9113, 9560)]