405699240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3391}}^1$

素因数の和:4402

約数の個数: 64

約数和(自身を含む): 1218677760

約数和(自身を除く): 812978520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1994, 2991, 3391, 3988, 4985, 5982, 6782, 7976, 9970, 10173, 11964, 13564, 14955, 16955, 19940, 20346, 23928, 27128, 29910, 33910, 39880, 40692, 50865, 59820, 67820, 81384, 101730, 119640, 135640, 203460, 406920, 3380827, 6761654, 10142481, 13523308, 16904135, 20284962, 27046616, 33808270, 40569924, 50712405, 67616540, 81139848, 101424810, 135233080, 202849620, 405699240]

約数ペア:

[(1, 405699240), (2, 202849620), (3, 135233080), (4, 101424810), (5, 81139848), (6, 67616540), (8, 50712405), (10, 40569924), (12, 33808270), (15, 27046616), (20, 20284962), (24, 16904135), (30, 13523308), (40, 10142481), (60, 6761654), (120, 3380827), (997, 406920), (1994, 203460), (2991, 135640), (3391, 119640), (3988, 101730), (4985, 81384), (5982, 67820), (6782, 59820), (7976, 50865), (9970, 40692), (10173, 39880), (11964, 33910), (13564, 29910), (14955, 27128), (16955, 23928), (19940, 20346)]