398809920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{415427}}^1$

素因数の和:415447

約数の個数: 56

約数和(自身を含む): 1266224544

約数和(自身を除く): 867414624

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, 415427, 830854, 1246281, 1661708, 2077135, 2492562, 3323416, 4154270, 4985124, 6231405, 6646832, 8308540, 9970248, 12462810, 13293664, 16617080, 19940496, 24925620, 26587328, 33234160, 39880992, 49851240, 66468320, 79761984, 99702480, 132936640, 199404960, 398809920]

約数ペア:

[(1, 398809920), (2, 199404960), (3, 132936640), (4, 99702480), (5, 79761984), (6, 66468320), (8, 49851240), (10, 39880992), (12, 33234160), (15, 26587328), (16, 24925620), (20, 19940496), (24, 16617080), (30, 13293664), (32, 12462810), (40, 9970248), (48, 8308540), (60, 6646832), (64, 6231405), (80, 4985124), (96, 4154270), (120, 3323416), (160, 2492562), (192, 2077135), (240, 1661708), (320, 1246281), (480, 830854), (960, 415427)]