1728560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 4499712

約数和(自身を除く): 2771152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 41, 62, 68, 80, 82, 85, 124, 136, 155, 164, 170, 205, 248, 272, 310, 328, 340, 410, 496, 527, 620, 656, 680, 697, 820, 1054, 1240, 1271, 1360, 1394, 1640, 2108, 2480, 2542, 2635, 2788, 3280, 3485, 4216, 5084, 5270, 5576, 6355, 6970, 8432, 10168, 10540, 11152, 12710, 13940, 20336, 21080, 21607, 25420, 27880, 42160, 43214, 50840, 55760, 86428, 101680, 108035, 172856, 216070, 345712, 432140, 864280, 1728560]

約数ペア:

[(1, 1728560), (2, 864280), (4, 432140), (5, 345712), (8, 216070), (10, 172856), (16, 108035), (17, 101680), (20, 86428), (31, 55760), (34, 50840), (40, 43214), (41, 42160), (62, 27880), (68, 25420), (80, 21607), (82, 21080), (85, 20336), (124, 13940), (136, 12710), (155, 11152), (164, 10540), (170, 10168), (205, 8432), (248, 6970), (272, 6355), (310, 5576), (328, 5270), (340, 5084), (410, 4216), (496, 3485), (527, 3280), (620, 2788), (656, 2635), (680, 2542), (697, 2480), (820, 2108), (1054, 1640), (1240, 1394), (1271, 1360)]