40415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2423}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 122169600

約数和(自身を除く): 81753960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2423, 2780, 3336, 4170, 4846, 5560, 7269, 8340, 9692, 12115, 14538, 16680, 19384, 24230, 29076, 36345, 48460, 58152, 72690, 96920, 145380, 290760, 336797, 673594, 1010391, 1347188, 1683985, 2020782, 2694376, 3367970, 4041564, 5051955, 6735940, 8083128, 10103910, 13471880, 20207820, 40415640]

約数ペア:

[(1, 40415640), (2, 20207820), (3, 13471880), (4, 10103910), (5, 8083128), (6, 6735940), (8, 5051955), (10, 4041564), (12, 3367970), (15, 2694376), (20, 2020782), (24, 1683985), (30, 1347188), (40, 1010391), (60, 673594), (120, 336797), (139, 290760), (278, 145380), (417, 96920), (556, 72690), (695, 58152), (834, 48460), (1112, 36345), (1390, 29076), (1668, 24230), (2085, 19384), (2423, 16680), (2780, 14538), (3336, 12115), (4170, 9692), (4846, 8340), (5560, 7269)]