399366960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1409}}^1$

素因数の和:2606

約数の個数: 80

約数和(自身を含む): 1239965280

約数和(自身を除く): 840598320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1181, 1409, 2362, 2818, 3543, 4227, 4724, 5636, 5905, 7045, 7086, 8454, 9448, 11272, 11810, 14090, 14172, 16908, 17715, 18896, 21135, 22544, 23620, 28180, 28344, 33816, 35430, 42270, 47240, 56360, 56688, 67632, 70860, 84540, 94480, 112720, 141720, 169080, 283440, 338160, 1664029, 3328058, 4992087, 6656116, 8320145, 9984174, 13312232, 16640290, 19968348, 24960435, 26624464, 33280580, 39936696, 49920870, 66561160, 79873392, 99841740, 133122320, 199683480, 399366960]

約数ペア:

[(1, 399366960), (2, 199683480), (3, 133122320), (4, 99841740), (5, 79873392), (6, 66561160), (8, 49920870), (10, 39936696), (12, 33280580), (15, 26624464), (16, 24960435), (20, 19968348), (24, 16640290), (30, 13312232), (40, 9984174), (48, 8320145), (60, 6656116), (80, 4992087), (120, 3328058), (240, 1664029), (1181, 338160), (1409, 283440), (2362, 169080), (2818, 141720), (3543, 112720), (4227, 94480), (4724, 84540), (5636, 70860), (5905, 67632), (7045, 56688), (7086, 56360), (8454, 47240), (9448, 42270), (11272, 35430), (11810, 33816), (14090, 28344), (14172, 28180), (16908, 23620), (17715, 22544), (18896, 21135)]