290416560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172867}}^1$

素因数の和:172890

約数の個数: 80

約数和(自身を含む): 1028910336

約数和(自身を除く): 738493776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172867, 345734, 518601, 691468, 864335, 1037202, 1210069, 1382936, 1728670, 2074404, 2420138, 2593005, 2765872, 3457340, 3630207, 4148808, 4840276, 5186010, 6050345, 6914680, 7260414, 8297616, 9680552, 10372020, 12100690, 13829360, 14520828, 18151035, 19361104, 20744040, 24201380, 29041656, 36302070, 41488080, 48402760, 58083312, 72604140, 96805520, 145208280, 290416560]

約数ペア:

[(1, 290416560), (2, 145208280), (3, 96805520), (4, 72604140), (5, 58083312), (6, 48402760), (7, 41488080), (8, 36302070), (10, 29041656), (12, 24201380), (14, 20744040), (15, 19361104), (16, 18151035), (20, 14520828), (21, 13829360), (24, 12100690), (28, 10372020), (30, 9680552), (35, 8297616), (40, 7260414), (42, 6914680), (48, 6050345), (56, 5186010), (60, 4840276), (70, 4148808), (80, 3630207), (84, 3457340), (105, 2765872), (112, 2593005), (120, 2420138), (140, 2074404), (168, 1728670), (210, 1382936), (240, 1210069), (280, 1037202), (336, 864335), (420, 691468), (560, 518601), (840, 345734), (1680, 172867)]