1980198960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{6451}}^1$

素因数の和:7746

約数の個数: 80

約数和(自身を含む): 6144368640

約数和(自身を除く): 4164169680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1279, 2558, 3837, 5116, 6395, 6451, 7674, 10232, 12790, 12902, 15348, 19185, 19353, 20464, 25580, 25804, 30696, 32255, 38370, 38706, 51160, 51608, 61392, 64510, 76740, 77412, 96765, 102320, 103216, 129020, 153480, 154824, 193530, 258040, 306960, 309648, 387060, 516080, 774120, 1548240, 8250829, 16501658, 24752487, 33003316, 41254145, 49504974, 66006632, 82508290, 99009948, 123762435, 132013264, 165016580, 198019896, 247524870, 330033160, 396039792, 495049740, 660066320, 990099480, 1980198960]

約数ペア:

[(1, 1980198960), (2, 990099480), (3, 660066320), (4, 495049740), (5, 396039792), (6, 330033160), (8, 247524870), (10, 198019896), (12, 165016580), (15, 132013264), (16, 123762435), (20, 99009948), (24, 82508290), (30, 66006632), (40, 49504974), (48, 41254145), (60, 33003316), (80, 24752487), (120, 16501658), (240, 8250829), (1279, 1548240), (2558, 774120), (3837, 516080), (5116, 387060), (6395, 309648), (6451, 306960), (7674, 258040), (10232, 193530), (12790, 154824), (12902, 153480), (15348, 129020), (19185, 103216), (19353, 102320), (20464, 96765), (25580, 77412), (25804, 76740), (30696, 64510), (32255, 61392), (38370, 51608), (38706, 51160)]