215937680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2309}}^1$

素因数の和:2496

約数の個数: 80

約数和(自身を含む): 577463040

約数和(自身を除く): 361525360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 1169, 1336, 1670, 2309, 2338, 2672, 3340, 4618, 4676, 5845, 6680, 9236, 9352, 11545, 11690, 13360, 16163, 18472, 18704, 23090, 23380, 32326, 36944, 46180, 46760, 64652, 80815, 92360, 93520, 129304, 161630, 184720, 258608, 323260, 385603, 646520, 771206, 1293040, 1542412, 1928015, 2699221, 3084824, 3856030, 5398442, 6169648, 7712060, 10796884, 13496105, 15424120, 21593768, 26992210, 30848240, 43187536, 53984420, 107968840, 215937680]

約数ペア:

[(1, 215937680), (2, 107968840), (4, 53984420), (5, 43187536), (7, 30848240), (8, 26992210), (10, 21593768), (14, 15424120), (16, 13496105), (20, 10796884), (28, 7712060), (35, 6169648), (40, 5398442), (56, 3856030), (70, 3084824), (80, 2699221), (112, 1928015), (140, 1542412), (167, 1293040), (280, 771206), (334, 646520), (560, 385603), (668, 323260), (835, 258608), (1169, 184720), (1336, 161630), (1670, 129304), (2309, 93520), (2338, 92360), (2672, 80815), (3340, 64652), (4618, 46760), (4676, 46180), (5845, 36944), (6680, 32326), (9236, 23380), (9352, 23090), (11545, 18704), (11690, 18472), (13360, 16163)]