82187560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 231678720

約数和(自身を除く): 149491160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 335, 337, 364, 455, 469, 520, 536, 670, 674, 728, 871, 910, 938, 1340, 1348, 1685, 1742, 1820, 1876, 2345, 2359, 2680, 2696, 3370, 3484, 3640, 3752, 4355, 4381, 4690, 4718, 6097, 6740, 6968, 8710, 8762, 9380, 9436, 11795, 12194, 13480, 17420, 17524, 18760, 18872, 21905, 22579, 23590, 24388, 30485, 30667, 34840, 35048, 43810, 45158, 47180, 48776, 60970, 61334, 87620, 90316, 94360, 112895, 121940, 122668, 153335, 158053, 175240, 180632, 225790, 243880, 245336, 293527, 306670, 316106, 451580, 587054, 613340, 632212, 790265, 903160, 1174108, 1226680, 1264424, 1467635, 1580530, 2054689, 2348216, 2935270, 3161060, 4109378, 5870540, 6322120, 8218756, 10273445, 11741080, 16437512, 20546890, 41093780, 82187560]

約数ペア:

[(1, 82187560), (2, 41093780), (4, 20546890), (5, 16437512), (7, 11741080), (8, 10273445), (10, 8218756), (13, 6322120), (14, 5870540), (20, 4109378), (26, 3161060), (28, 2935270), (35, 2348216), (40, 2054689), (52, 1580530), (56, 1467635), (65, 1264424), (67, 1226680), (70, 1174108), (91, 903160), (104, 790265), (130, 632212), (134, 613340), (140, 587054), (182, 451580), (260, 316106), (268, 306670), (280, 293527), (335, 245336), (337, 243880), (364, 225790), (455, 180632), (469, 175240), (520, 158053), (536, 153335), (670, 122668), (674, 121940), (728, 112895), (871, 94360), (910, 90316), (938, 87620), (1340, 61334), (1348, 60970), (1685, 48776), (1742, 47180), (1820, 45158), (1876, 43810), (2345, 35048), (2359, 34840), (2680, 30667), (2696, 30485), (3370, 24388), (3484, 23590), (3640, 22579), (3752, 21905), (4355, 18872), (4381, 18760), (4690, 17524), (4718, 17420), (6097, 13480), (6740, 12194), (6968, 11795), (8710, 9436), (8762, 9380)]