161839620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{99901}}^1$

素因数の和:99922

約数の個数: 60

約数和(自身を含む): 507701964

約数和(自身を除く): 345862344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 99901, 199802, 299703, 399604, 499505, 599406, 899109, 999010, 1198812, 1498515, 1798218, 1998020, 2697327, 2997030, 3596436, 4495545, 5394654, 5994060, 8091981, 8991090, 10789308, 13486635, 16183962, 17982180, 26973270, 32367924, 40459905, 53946540, 80919810, 161839620]

約数ペア:

[(1, 161839620), (2, 80919810), (3, 53946540), (4, 40459905), (5, 32367924), (6, 26973270), (9, 17982180), (10, 16183962), (12, 13486635), (15, 10789308), (18, 8991090), (20, 8091981), (27, 5994060), (30, 5394654), (36, 4495545), (45, 3596436), (54, 2997030), (60, 2697327), (81, 1998020), (90, 1798218), (108, 1498515), (135, 1198812), (162, 999010), (180, 899109), (270, 599406), (324, 499505), (405, 399604), (540, 299703), (810, 199802), (1620, 99901)]