261360840

素因数分解:

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

素因数の和:967

約数の個数: 128

約数和(自身を含む): 849139200

約数和(自身を除く): 587778360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 239, 260, 312, 390, 478, 520, 701, 717, 780, 956, 1195, 1402, 1434, 1560, 1912, 2103, 2390, 2804, 2868, 3107, 3505, 3585, 4206, 4780, 5608, 5736, 6214, 7010, 7170, 8412, 9113, 9321, 9560, 10515, 12428, 14020, 14340, 15535, 16824, 18226, 18642, 21030, 24856, 27339, 28040, 28680, 31070, 36452, 37284, 42060, 45565, 46605, 54678, 62140, 72904, 74568, 84120, 91130, 93210, 109356, 124280, 136695, 167539, 182260, 186420, 218712, 273390, 335078, 364520, 372840, 502617, 546780, 670156, 837695, 1005234, 1093560, 1340312, 1675390, 2010468, 2178007, 2513085, 3350780, 4020936, 4356014, 5026170, 6534021, 6701560, 8712028, 10052340, 10890035, 13068042, 17424056, 20104680, 21780070, 26136084, 32670105, 43560140, 52272168, 65340210, 87120280, 130680420, 261360840]

約数ペア:

[(1, 261360840), (2, 130680420), (3, 87120280), (4, 65340210), (5, 52272168), (6, 43560140), (8, 32670105), (10, 26136084), (12, 21780070), (13, 20104680), (15, 17424056), (20, 13068042), (24, 10890035), (26, 10052340), (30, 8712028), (39, 6701560), (40, 6534021), (52, 5026170), (60, 4356014), (65, 4020936), (78, 3350780), (104, 2513085), (120, 2178007), (130, 2010468), (156, 1675390), (195, 1340312), (239, 1093560), (260, 1005234), (312, 837695), (390, 670156), (478, 546780), (520, 502617), (701, 372840), (717, 364520), (780, 335078), (956, 273390), (1195, 218712), (1402, 186420), (1434, 182260), (1560, 167539), (1912, 136695), (2103, 124280), (2390, 109356), (2804, 93210), (2868, 91130), (3107, 84120), (3505, 74568), (3585, 72904), (4206, 62140), (4780, 54678), (5608, 46605), (5736, 45565), (6214, 42060), (7010, 37284), (7170, 36452), (8412, 31070), (9113, 28680), (9321, 28040), (9560, 27339), (10515, 24856), (12428, 21030), (14020, 18642), (14340, 18226), (15535, 16824)]