68779960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2467}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 167922720

約数和(自身を除く): 99142760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2467, 2788, 3485, 4934, 5576, 6970, 9868, 12335, 13940, 19736, 24670, 27880, 41939, 49340, 83878, 98680, 101147, 167756, 202294, 209695, 335512, 404588, 419390, 505735, 809176, 838780, 1011470, 1677560, 1719499, 2022940, 3438998, 4045880, 6877996, 8597495, 13755992, 17194990, 34389980, 68779960]

約数ペア:

[(1, 68779960), (2, 34389980), (4, 17194990), (5, 13755992), (8, 8597495), (10, 6877996), (17, 4045880), (20, 3438998), (34, 2022940), (40, 1719499), (41, 1677560), (68, 1011470), (82, 838780), (85, 809176), (136, 505735), (164, 419390), (170, 404588), (205, 335512), (328, 209695), (340, 202294), (410, 167756), (680, 101147), (697, 98680), (820, 83878), (1394, 49340), (1640, 41939), (2467, 27880), (2788, 24670), (3485, 19736), (4934, 13940), (5576, 12335), (6970, 9868)]