161979660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16979}}^1$

素因数の和:17047

約数の個数: 72

約数和(自身を含む): 500638320

約数和(自身を除く): 338658660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 16979, 33958, 50937, 67916, 84895, 101874, 152811, 169790, 203748, 254685, 305622, 339580, 509370, 611244, 764055, 899887, 1018740, 1528110, 1799774, 2699661, 3056220, 3599548, 4499435, 5399322, 8098983, 8998870, 10798644, 13498305, 16197966, 17997740, 26996610, 32395932, 40494915, 53993220, 80989830, 161979660]

約数ペア:

[(1, 161979660), (2, 80989830), (3, 53993220), (4, 40494915), (5, 32395932), (6, 26996610), (9, 17997740), (10, 16197966), (12, 13498305), (15, 10798644), (18, 8998870), (20, 8098983), (30, 5399322), (36, 4499435), (45, 3599548), (53, 3056220), (60, 2699661), (90, 1799774), (106, 1528110), (159, 1018740), (180, 899887), (212, 764055), (265, 611244), (318, 509370), (477, 339580), (530, 305622), (636, 254685), (795, 203748), (954, 169790), (1060, 152811), (1590, 101874), (1908, 84895), (2385, 67916), (3180, 50937), (4770, 33958), (9540, 16979)]