217056560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1522

約数の個数: 80

約数和(自身を含む): 578986752

約数和(自身を除く): 361930192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 1171, 1324, 1655, 2317, 2342, 2648, 3310, 4634, 4684, 5296, 5855, 6620, 8197, 9268, 9368, 11585, 11710, 13240, 16394, 18536, 18736, 23170, 23420, 26480, 32788, 37072, 40985, 46340, 46840, 65576, 81970, 92680, 93680, 131152, 163940, 185360, 327880, 387601, 655760, 775202, 1550404, 1938005, 2713207, 3100808, 3876010, 5426414, 6201616, 7752020, 10852828, 13566035, 15504040, 21705656, 27132070, 31008080, 43411312, 54264140, 108528280, 217056560]

約数ペア:

[(1, 217056560), (2, 108528280), (4, 54264140), (5, 43411312), (7, 31008080), (8, 27132070), (10, 21705656), (14, 15504040), (16, 13566035), (20, 10852828), (28, 7752020), (35, 6201616), (40, 5426414), (56, 3876010), (70, 3100808), (80, 2713207), (112, 1938005), (140, 1550404), (280, 775202), (331, 655760), (560, 387601), (662, 327880), (1171, 185360), (1324, 163940), (1655, 131152), (2317, 93680), (2342, 92680), (2648, 81970), (3310, 65576), (4634, 46840), (4684, 46340), (5296, 40985), (5855, 37072), (6620, 32788), (8197, 26480), (9268, 23420), (9368, 23170), (11585, 18736), (11710, 18536), (13240, 16394)]