1640496

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 4999680

約数和(自身を除く): 3359184

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 239, 264, 286, 312, 429, 478, 528, 572, 624, 717, 858, 956, 1144, 1434, 1716, 1912, 2288, 2629, 2868, 3107, 3432, 3824, 5258, 5736, 6214, 6864, 7887, 9321, 10516, 11472, 12428, 15774, 18642, 21032, 24856, 31548, 34177, 37284, 42064, 49712, 63096, 68354, 74568, 102531, 126192, 136708, 149136, 205062, 273416, 410124, 546832, 820248, 1640496]

約数ペア:

[(1, 1640496), (2, 820248), (3, 546832), (4, 410124), (6, 273416), (8, 205062), (11, 149136), (12, 136708), (13, 126192), (16, 102531), (22, 74568), (24, 68354), (26, 63096), (33, 49712), (39, 42064), (44, 37284), (48, 34177), (52, 31548), (66, 24856), (78, 21032), (88, 18642), (104, 15774), (132, 12428), (143, 11472), (156, 10516), (176, 9321), (208, 7887), (239, 6864), (264, 6214), (286, 5736), (312, 5258), (429, 3824), (478, 3432), (528, 3107), (572, 2868), (624, 2629), (717, 2288), (858, 1912), (956, 1716), (1144, 1434)]