16520670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 45031896

約数和(自身を除く): 28511226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 347, 414, 529, 690, 694, 1035, 1041, 1058, 1587, 1735, 2070, 2082, 2645, 3123, 3174, 3470, 4761, 5205, 5290, 6246, 7935, 7981, 9522, 10410, 15615, 15870, 15962, 23805, 23943, 31230, 39905, 47610, 47886, 71829, 79810, 119715, 143658, 183563, 239430, 359145, 367126, 550689, 718290, 917815, 1101378, 1652067, 1835630, 2753445, 3304134, 5506890, 8260335, 16520670]

約数ペア:

[(1, 16520670), (2, 8260335), (3, 5506890), (5, 3304134), (6, 2753445), (9, 1835630), (10, 1652067), (15, 1101378), (18, 917815), (23, 718290), (30, 550689), (45, 367126), (46, 359145), (69, 239430), (90, 183563), (115, 143658), (138, 119715), (207, 79810), (230, 71829), (345, 47886), (347, 47610), (414, 39905), (529, 31230), (690, 23943), (694, 23805), (1035, 15962), (1041, 15870), (1058, 15615), (1587, 10410), (1735, 9522), (2070, 7981), (2082, 7935), (2645, 6246), (3123, 5290), (3174, 5205), (3470, 4761)]