257718360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 808704000

約数和(自身を除く): 550985640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 103, 116, 120, 145, 174, 206, 232, 290, 309, 348, 412, 435, 515, 580, 618, 696, 719, 824, 870, 1030, 1160, 1236, 1438, 1545, 1740, 2060, 2157, 2472, 2876, 2987, 3090, 3480, 3595, 4120, 4314, 5752, 5974, 6180, 7190, 8628, 8961, 10785, 11948, 12360, 14380, 14935, 17256, 17922, 20851, 21570, 23896, 28760, 29870, 35844, 41702, 43140, 44805, 59740, 62553, 71688, 74057, 83404, 86280, 89610, 104255, 119480, 125106, 148114, 166808, 179220, 208510, 222171, 250212, 296228, 312765, 358440, 370285, 417020, 444342, 500424, 592456, 625530, 740570, 834040, 888684, 1110855, 1251060, 1481140, 1777368, 2147653, 2221710, 2502120, 2962280, 4295306, 4443420, 6442959, 8590612, 8886840, 10738265, 12885918, 17181224, 21476530, 25771836, 32214795, 42953060, 51543672, 64429590, 85906120, 128859180, 257718360]

約数ペア:

[(1, 257718360), (2, 128859180), (3, 85906120), (4, 64429590), (5, 51543672), (6, 42953060), (8, 32214795), (10, 25771836), (12, 21476530), (15, 17181224), (20, 12885918), (24, 10738265), (29, 8886840), (30, 8590612), (40, 6442959), (58, 4443420), (60, 4295306), (87, 2962280), (103, 2502120), (116, 2221710), (120, 2147653), (145, 1777368), (174, 1481140), (206, 1251060), (232, 1110855), (290, 888684), (309, 834040), (348, 740570), (412, 625530), (435, 592456), (515, 500424), (580, 444342), (618, 417020), (696, 370285), (719, 358440), (824, 312765), (870, 296228), (1030, 250212), (1160, 222171), (1236, 208510), (1438, 179220), (1545, 166808), (1740, 148114), (2060, 125106), (2157, 119480), (2472, 104255), (2876, 89610), (2987, 86280), (3090, 83404), (3480, 74057), (3595, 71688), (4120, 62553), (4314, 59740), (5752, 44805), (5974, 43140), (6180, 41702), (7190, 35844), (8628, 29870), (8961, 28760), (10785, 23896), (11948, 21570), (12360, 20851), (14380, 17922), (14935, 17256)]