1299518460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{39887}}^1$

素因数の和:40083

約数の個数: 72

約数和(自身を含む): 3963750336

約数和(自身を除く): 2664231876

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, 39887, 79774, 119661, 159548, 199435, 239322, 358983, 398870, 478644, 598305, 717966, 797740, 1196610, 1435932, 1794915, 2393220, 3589830, 7179660, 7219547, 14439094, 21658641, 28878188, 36097735, 43317282, 64975923, 72195470, 86634564, 108293205, 129951846, 144390940, 216586410, 259903692, 324879615, 433172820, 649759230, 1299518460]

約数ペア:

[(1, 1299518460), (2, 649759230), (3, 433172820), (4, 324879615), (5, 259903692), (6, 216586410), (9, 144390940), (10, 129951846), (12, 108293205), (15, 86634564), (18, 72195470), (20, 64975923), (30, 43317282), (36, 36097735), (45, 28878188), (60, 21658641), (90, 14439094), (180, 7219547), (181, 7179660), (362, 3589830), (543, 2393220), (724, 1794915), (905, 1435932), (1086, 1196610), (1629, 797740), (1810, 717966), (2172, 598305), (2715, 478644), (3258, 398870), (3620, 358983), (5430, 239322), (6516, 199435), (8145, 159548), (10860, 119661), (16290, 79774), (32580, 39887)]