15861680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 39774240

約数和(自身を除く): 23912560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 109, 136, 170, 214, 218, 272, 340, 428, 436, 535, 545, 680, 856, 872, 1070, 1090, 1360, 1712, 1744, 1819, 1853, 2140, 2180, 3638, 3706, 4280, 4360, 7276, 7412, 8560, 8720, 9095, 9265, 11663, 14552, 14824, 18190, 18530, 23326, 29104, 29648, 36380, 37060, 46652, 58315, 72760, 74120, 93304, 116630, 145520, 148240, 186608, 198271, 233260, 396542, 466520, 793084, 933040, 991355, 1586168, 1982710, 3172336, 3965420, 7930840, 15861680]

約数ペア:

[(1, 15861680), (2, 7930840), (4, 3965420), (5, 3172336), (8, 1982710), (10, 1586168), (16, 991355), (17, 933040), (20, 793084), (34, 466520), (40, 396542), (68, 233260), (80, 198271), (85, 186608), (107, 148240), (109, 145520), (136, 116630), (170, 93304), (214, 74120), (218, 72760), (272, 58315), (340, 46652), (428, 37060), (436, 36380), (535, 29648), (545, 29104), (680, 23326), (856, 18530), (872, 18190), (1070, 14824), (1090, 14552), (1360, 11663), (1712, 9265), (1744, 9095), (1819, 8720), (1853, 8560), (2140, 7412), (2180, 7276), (3638, 4360), (3706, 4280)]