159427760

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 383011200

約数和(自身を除く): 223583440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 109, 188, 218, 235, 376, 389, 436, 470, 545, 752, 778, 872, 940, 1090, 1556, 1744, 1880, 1945, 2180, 3112, 3760, 3890, 4360, 5123, 6224, 7780, 8720, 10246, 15560, 18283, 20492, 25615, 31120, 36566, 40984, 42401, 51230, 73132, 81968, 84802, 91415, 102460, 146264, 169604, 182830, 204920, 212005, 292528, 339208, 365660, 409840, 424010, 678416, 731320, 848020, 1462640, 1696040, 1992847, 3392080, 3985694, 7971388, 9964235, 15942776, 19928470, 31885552, 39856940, 79713880, 159427760]

約数ペア:

[(1, 159427760), (2, 79713880), (4, 39856940), (5, 31885552), (8, 19928470), (10, 15942776), (16, 9964235), (20, 7971388), (40, 3985694), (47, 3392080), (80, 1992847), (94, 1696040), (109, 1462640), (188, 848020), (218, 731320), (235, 678416), (376, 424010), (389, 409840), (436, 365660), (470, 339208), (545, 292528), (752, 212005), (778, 204920), (872, 182830), (940, 169604), (1090, 146264), (1556, 102460), (1744, 91415), (1880, 84802), (1945, 81968), (2180, 73132), (3112, 51230), (3760, 42401), (3890, 40984), (4360, 36566), (5123, 31120), (6224, 25615), (7780, 20492), (8720, 18283), (10246, 15560)]