78921450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1736

約数の個数: 72

約数和(自身を含む): 214113900

約数和(自身を除く): 135192450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 109, 150, 218, 225, 327, 450, 545, 654, 981, 1090, 1609, 1635, 1962, 2725, 3218, 3270, 4827, 4905, 5450, 8045, 8175, 9654, 9810, 14481, 16090, 16350, 24135, 24525, 28962, 40225, 48270, 49050, 72405, 80450, 120675, 144810, 175381, 241350, 350762, 362025, 526143, 724050, 876905, 1052286, 1578429, 1753810, 2630715, 3156858, 4384525, 5261430, 7892145, 8769050, 13153575, 15784290, 26307150, 39460725, 78921450]

約数ペア:

[(1, 78921450), (2, 39460725), (3, 26307150), (5, 15784290), (6, 13153575), (9, 8769050), (10, 7892145), (15, 5261430), (18, 4384525), (25, 3156858), (30, 2630715), (45, 1753810), (50, 1578429), (75, 1052286), (90, 876905), (109, 724050), (150, 526143), (218, 362025), (225, 350762), (327, 241350), (450, 175381), (545, 144810), (654, 120675), (981, 80450), (1090, 72405), (1609, 49050), (1635, 48270), (1962, 40225), (2725, 28962), (3218, 24525), (3270, 24135), (4827, 16350), (4905, 16090), (5450, 14481), (8045, 9810), (8175, 9654)]