864280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 2177280

約数和(自身を除く): 1313000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 82, 85, 124, 136, 155, 164, 170, 205, 248, 310, 328, 340, 410, 527, 620, 680, 697, 820, 1054, 1240, 1271, 1394, 1640, 2108, 2542, 2635, 2788, 3485, 4216, 5084, 5270, 5576, 6355, 6970, 10168, 10540, 12710, 13940, 21080, 21607, 25420, 27880, 43214, 50840, 86428, 108035, 172856, 216070, 432140, 864280]

約数ペア:

[(1, 864280), (2, 432140), (4, 216070), (5, 172856), (8, 108035), (10, 86428), (17, 50840), (20, 43214), (31, 27880), (34, 25420), (40, 21607), (41, 21080), (62, 13940), (68, 12710), (82, 10540), (85, 10168), (124, 6970), (136, 6355), (155, 5576), (164, 5270), (170, 5084), (205, 4216), (248, 3485), (310, 2788), (328, 2635), (340, 2542), (410, 2108), (527, 1640), (620, 1394), (680, 1271), (697, 1240), (820, 1054)]