261148080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2381}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 811671264

約数和(自身を除く): 550523184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 2285, 2381, 2742, 3656, 4570, 4762, 5484, 6855, 7143, 7312, 9140, 9524, 10968, 11905, 13710, 14286, 18280, 19048, 21936, 23810, 27420, 28572, 35715, 36560, 38096, 47620, 54840, 57144, 71430, 95240, 109680, 114288, 142860, 190480, 285720, 571440, 1088117, 2176234, 3264351, 4352468, 5440585, 6528702, 8704936, 10881170, 13057404, 16321755, 17409872, 21762340, 26114808, 32643510, 43524680, 52229616, 65287020, 87049360, 130574040, 261148080]

約数ペア:

[(1, 261148080), (2, 130574040), (3, 87049360), (4, 65287020), (5, 52229616), (6, 43524680), (8, 32643510), (10, 26114808), (12, 21762340), (15, 17409872), (16, 16321755), (20, 13057404), (24, 10881170), (30, 8704936), (40, 6528702), (48, 5440585), (60, 4352468), (80, 3264351), (120, 2176234), (240, 1088117), (457, 571440), (914, 285720), (1371, 190480), (1828, 142860), (2285, 114288), (2381, 109680), (2742, 95240), (3656, 71430), (4570, 57144), (4762, 54840), (5484, 47620), (6855, 38096), (7143, 36560), (7312, 35715), (9140, 28572), (9524, 27420), (10968, 23810), (11905, 21936), (13710, 19048), (14286, 18280)]