81075840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42227}}^1$

素因数の和:42249

約数の個数: 64

約数和(自身を含む): 258435360

約数和(自身を除く): 177359520

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42227, 84454, 126681, 168908, 211135, 253362, 337816, 422270, 506724, 633405, 675632, 844540, 1013448, 1266810, 1351264, 1689080, 2026896, 2533620, 2702528, 3378160, 4053792, 5067240, 5405056, 6756320, 8107584, 10134480, 13512640, 16215168, 20268960, 27025280, 40537920, 81075840]

約数ペア:

[(1, 81075840), (2, 40537920), (3, 27025280), (4, 20268960), (5, 16215168), (6, 13512640), (8, 10134480), (10, 8107584), (12, 6756320), (15, 5405056), (16, 5067240), (20, 4053792), (24, 3378160), (30, 2702528), (32, 2533620), (40, 2026896), (48, 1689080), (60, 1351264), (64, 1266810), (80, 1013448), (96, 844540), (120, 675632), (128, 633405), (160, 506724), (192, 422270), (240, 337816), (320, 253362), (384, 211135), (480, 168908), (640, 126681), (960, 84454), (1920, 42227)]