81621060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25667}}^1$

素因数の和:25732

約数の個数: 48

約数和(自身を含む): 232860096

約数和(自身を除く): 151239036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 25667, 51334, 77001, 102668, 128335, 154002, 256670, 308004, 385005, 513340, 770010, 1360351, 1540020, 2720702, 4081053, 5441404, 6801755, 8162106, 13603510, 16324212, 20405265, 27207020, 40810530, 81621060]

約数ペア:

[(1, 81621060), (2, 40810530), (3, 27207020), (4, 20405265), (5, 16324212), (6, 13603510), (10, 8162106), (12, 6801755), (15, 5441404), (20, 4081053), (30, 2720702), (53, 1540020), (60, 1360351), (106, 770010), (159, 513340), (212, 385005), (265, 308004), (318, 256670), (530, 154002), (636, 128335), (795, 102668), (1060, 77001), (1590, 51334), (3180, 25667)]