821209920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{855427}}^1$

素因数の和:855447

約数の個数: 56

約数和(自身を含む): 2607344544

約数和(自身を除く): 1786134624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 855427, 1710854, 2566281, 3421708, 4277135, 5132562, 6843416, 8554270, 10265124, 12831405, 13686832, 17108540, 20530248, 25662810, 27373664, 34217080, 41060496, 51325620, 54747328, 68434160, 82120992, 102651240, 136868320, 164241984, 205302480, 273736640, 410604960, 821209920]

約数ペア:

[(1, 821209920), (2, 410604960), (3, 273736640), (4, 205302480), (5, 164241984), (6, 136868320), (8, 102651240), (10, 82120992), (12, 68434160), (15, 54747328), (16, 51325620), (20, 41060496), (24, 34217080), (30, 27373664), (32, 25662810), (40, 20530248), (48, 17108540), (60, 13686832), (64, 12831405), (80, 10265124), (96, 8554270), (120, 6843416), (160, 5132562), (192, 4277135), (240, 3421708), (320, 2566281), (480, 1710854), (960, 855427)]