178180425

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 72

約数和(自身を含む): 342860000

約数和(自身を除く): 164679575

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 499, 529, 575, 621, 675, 1035, 1497, 1587, 1725, 2495, 2645, 3105, 4491, 4761, 5175, 7485, 7935, 11477, 12475, 13225, 13473, 14283, 15525, 22455, 23805, 34431, 37425, 39675, 57385, 67365, 71415, 103293, 112275, 119025, 172155, 263971, 286925, 309879, 336825, 357075, 516465, 791913, 860775, 1319855, 1549395, 2375739, 2582325, 3959565, 6599275, 7127217, 7746975, 11878695, 19797825, 35636085, 59393475, 178180425]

約数ペア:

[(1, 178180425), (3, 59393475), (5, 35636085), (9, 19797825), (15, 11878695), (23, 7746975), (25, 7127217), (27, 6599275), (45, 3959565), (69, 2582325), (75, 2375739), (115, 1549395), (135, 1319855), (207, 860775), (225, 791913), (345, 516465), (499, 357075), (529, 336825), (575, 309879), (621, 286925), (675, 263971), (1035, 172155), (1497, 119025), (1587, 112275), (1725, 103293), (2495, 71415), (2645, 67365), (3105, 57385), (4491, 39675), (4761, 37425), (5175, 34431), (7485, 23805), (7935, 22455), (11477, 15525), (12475, 14283), (13225, 13473)]