81702680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2267}}^1$

素因数の和:2348

約数の個数: 64

約数和(自身を含む): 198404640

約数和(自身を除く): 116701960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 2267, 3604, 4505, 4534, 7208, 9010, 9068, 11335, 18020, 18136, 22670, 36040, 38539, 45340, 77078, 90680, 120151, 154156, 192695, 240302, 308312, 385390, 480604, 600755, 770780, 961208, 1201510, 1541560, 2042567, 2403020, 4085134, 4806040, 8170268, 10212835, 16340536, 20425670, 40851340, 81702680]

約数ペア:

[(1, 81702680), (2, 40851340), (4, 20425670), (5, 16340536), (8, 10212835), (10, 8170268), (17, 4806040), (20, 4085134), (34, 2403020), (40, 2042567), (53, 1541560), (68, 1201510), (85, 961208), (106, 770780), (136, 600755), (170, 480604), (212, 385390), (265, 308312), (340, 240302), (424, 192695), (530, 154156), (680, 120151), (901, 90680), (1060, 77078), (1802, 45340), (2120, 38539), (2267, 36040), (3604, 22670), (4505, 18136), (4534, 18020), (7208, 11335), (9010, 9068)]