215681730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 393956670

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 41, 55, 57, 66, 82, 95, 110, 114, 123, 165, 190, 205, 209, 246, 285, 330, 410, 418, 451, 570, 615, 627, 779, 839, 902, 1045, 1230, 1254, 1353, 1558, 1678, 2090, 2255, 2337, 2517, 2706, 3135, 3895, 4195, 4510, 4674, 5034, 6270, 6765, 7790, 8390, 8569, 9229, 11685, 12585, 13530, 15941, 17138, 18458, 23370, 25170, 25707, 27687, 31882, 34399, 42845, 46145, 47823, 51414, 55374, 68798, 79705, 85690, 92290, 95646, 103197, 128535, 138435, 159410, 171995, 175351, 206394, 239115, 257070, 276870, 343990, 350702, 378389, 478230, 515985, 526053, 653581, 756778, 876755, 1031970, 1052106, 1135167, 1307162, 1753510, 1891945, 1960743, 2270334, 2630265, 3267905, 3783890, 3921486, 5260530, 5675835, 6535810, 7189391, 9803715, 11351670, 14378782, 19607430, 21568173, 35946955, 43136346, 71893910, 107840865, 215681730]

約数ペア:

[(1, 215681730), (2, 107840865), (3, 71893910), (5, 43136346), (6, 35946955), (10, 21568173), (11, 19607430), (15, 14378782), (19, 11351670), (22, 9803715), (30, 7189391), (33, 6535810), (38, 5675835), (41, 5260530), (55, 3921486), (57, 3783890), (66, 3267905), (82, 2630265), (95, 2270334), (110, 1960743), (114, 1891945), (123, 1753510), (165, 1307162), (190, 1135167), (205, 1052106), (209, 1031970), (246, 876755), (285, 756778), (330, 653581), (410, 526053), (418, 515985), (451, 478230), (570, 378389), (615, 350702), (627, 343990), (779, 276870), (839, 257070), (902, 239115), (1045, 206394), (1230, 175351), (1254, 171995), (1353, 159410), (1558, 138435), (1678, 128535), (2090, 103197), (2255, 95646), (2337, 92290), (2517, 85690), (2706, 79705), (3135, 68798), (3895, 55374), (4195, 51414), (4510, 47823), (4674, 46145), (5034, 42845), (6270, 34399), (6765, 31882), (7790, 27687), (8390, 25707), (8569, 25170), (9229, 23370), (11685, 18458), (12585, 17138), (13530, 15941)]