257777130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1801}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 668441088

約数和(自身を除く): 410663958

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 367, 390, 734, 1101, 1801, 1835, 2202, 3602, 3670, 4771, 5403, 5505, 9005, 9542, 10806, 11010, 14313, 18010, 23413, 23855, 27015, 28626, 46826, 47710, 54030, 70239, 71565, 117065, 140478, 143130, 234130, 351195, 660967, 702390, 1321934, 1982901, 3304835, 3965802, 6609670, 8592571, 9914505, 17185142, 19829010, 25777713, 42962855, 51555426, 85925710, 128888565, 257777130]

約数ペア:

[(1, 257777130), (2, 128888565), (3, 85925710), (5, 51555426), (6, 42962855), (10, 25777713), (13, 19829010), (15, 17185142), (26, 9914505), (30, 8592571), (39, 6609670), (65, 3965802), (78, 3304835), (130, 1982901), (195, 1321934), (367, 702390), (390, 660967), (734, 351195), (1101, 234130), (1801, 143130), (1835, 140478), (2202, 117065), (3602, 71565), (3670, 70239), (4771, 54030), (5403, 47710), (5505, 46826), (9005, 28626), (9542, 27015), (10806, 23855), (11010, 23413), (14313, 18010)]