251767920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7547}}^1$

素因数の和:7702

約数の個数: 80

約数和(自身を含む): 786199680

約数和(自身を除く): 534431760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 5560, 6672, 7547, 8340, 11120, 15094, 16680, 22641, 30188, 33360, 37735, 45282, 60376, 75470, 90564, 113205, 120752, 150940, 181128, 226410, 301880, 362256, 452820, 603760, 905640, 1049033, 1811280, 2098066, 3147099, 4196132, 5245165, 6294198, 8392264, 10490330, 12588396, 15735495, 16784528, 20980660, 25176792, 31470990, 41961320, 50353584, 62941980, 83922640, 125883960, 251767920]

約数ペア:

[(1, 251767920), (2, 125883960), (3, 83922640), (4, 62941980), (5, 50353584), (6, 41961320), (8, 31470990), (10, 25176792), (12, 20980660), (15, 16784528), (16, 15735495), (20, 12588396), (24, 10490330), (30, 8392264), (40, 6294198), (48, 5245165), (60, 4196132), (80, 3147099), (120, 2098066), (139, 1811280), (240, 1049033), (278, 905640), (417, 603760), (556, 452820), (695, 362256), (834, 301880), (1112, 226410), (1390, 181128), (1668, 150940), (2085, 120752), (2224, 113205), (2780, 90564), (3336, 75470), (4170, 60376), (5560, 45282), (6672, 37735), (7547, 33360), (8340, 30188), (11120, 22641), (15094, 16680)]