12581640540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9985429}}^1$

素因数の和:9985451

約数の個数: 72

約数和(自身を含む): 43616358240

約数和(自身を除く): 31034717700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 9985429, 19970858, 29956287, 39941716, 49927145, 59912574, 69898003, 89868861, 99854290, 119825148, 139796006, 149781435, 179737722, 199708580, 209694009, 279592012, 299562870, 349490015, 359475444, 419388018, 449344305, 599125740, 629082027, 698980030, 838776036, 898688610, 1048470045, 1258164054, 1397960060, 1797377220, 2096940090, 2516328108, 3145410135, 4193880180, 6290820270, 12581640540]

約数ペア:

[(1, 12581640540), (2, 6290820270), (3, 4193880180), (4, 3145410135), (5, 2516328108), (6, 2096940090), (7, 1797377220), (9, 1397960060), (10, 1258164054), (12, 1048470045), (14, 898688610), (15, 838776036), (18, 698980030), (20, 629082027), (21, 599125740), (28, 449344305), (30, 419388018), (35, 359475444), (36, 349490015), (42, 299562870), (45, 279592012), (60, 209694009), (63, 199708580), (70, 179737722), (84, 149781435), (90, 139796006), (105, 119825148), (126, 99854290), (140, 89868861), (180, 69898003), (210, 59912574), (252, 49927145), (315, 39941716), (420, 29956287), (630, 19970858), (1260, 9985429)]