2016995220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{61909}}^1$

素因数の和:62105

約数の個数: 72

約数和(自身を含む): 6152120520

約数和(自身を除く): 4135125300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 61909, 123818, 185727, 247636, 309545, 371454, 557181, 619090, 742908, 928635, 1114362, 1238180, 1857270, 2228724, 2785905, 3714540, 5571810, 11143620, 11205529, 22411058, 33616587, 44822116, 56027645, 67233174, 100849761, 112055290, 134466348, 168082935, 201699522, 224110580, 336165870, 403399044, 504248805, 672331740, 1008497610, 2016995220]

約数ペア:

[(1, 2016995220), (2, 1008497610), (3, 672331740), (4, 504248805), (5, 403399044), (6, 336165870), (9, 224110580), (10, 201699522), (12, 168082935), (15, 134466348), (18, 112055290), (20, 100849761), (30, 67233174), (36, 56027645), (45, 44822116), (60, 33616587), (90, 22411058), (180, 11205529), (181, 11143620), (362, 5571810), (543, 3714540), (724, 2785905), (905, 2228724), (1086, 1857270), (1629, 1238180), (1810, 1114362), (2172, 928635), (2715, 742908), (3258, 619090), (3620, 557181), (5430, 371454), (6516, 309545), (8145, 247636), (10860, 185727), (16290, 123818), (32580, 61909)]