131427560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 345600000

約数和(自身を除く): 214172440

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 79, 88, 95, 110, 152, 158, 190, 199, 209, 220, 316, 380, 395, 398, 418, 440, 632, 760, 790, 796, 836, 869, 995, 1045, 1501, 1580, 1592, 1672, 1738, 1990, 2090, 2189, 3002, 3160, 3476, 3781, 3980, 4180, 4345, 4378, 6004, 6952, 7505, 7562, 7960, 8360, 8690, 8756, 10945, 12008, 15010, 15124, 15721, 16511, 17380, 17512, 18905, 21890, 30020, 30248, 31442, 33022, 34760, 37810, 41591, 43780, 60040, 62884, 66044, 75620, 78605, 82555, 83182, 87560, 125768, 132088, 151240, 157210, 165110, 166364, 172931, 207955, 298699, 314420, 330220, 332728, 345862, 415910, 597398, 628840, 660440, 691724, 831820, 864655, 1194796, 1383448, 1493495, 1663640, 1729310, 2389592, 2986990, 3285689, 3458620, 5973980, 6571378, 6917240, 11947960, 13142756, 16428445, 26285512, 32856890, 65713780, 131427560]

約数ペア:

[(1, 131427560), (2, 65713780), (4, 32856890), (5, 26285512), (8, 16428445), (10, 13142756), (11, 11947960), (19, 6917240), (20, 6571378), (22, 5973980), (38, 3458620), (40, 3285689), (44, 2986990), (55, 2389592), (76, 1729310), (79, 1663640), (88, 1493495), (95, 1383448), (110, 1194796), (152, 864655), (158, 831820), (190, 691724), (199, 660440), (209, 628840), (220, 597398), (316, 415910), (380, 345862), (395, 332728), (398, 330220), (418, 314420), (440, 298699), (632, 207955), (760, 172931), (790, 166364), (796, 165110), (836, 157210), (869, 151240), (995, 132088), (1045, 125768), (1501, 87560), (1580, 83182), (1592, 82555), (1672, 78605), (1738, 75620), (1990, 66044), (2090, 62884), (2189, 60040), (3002, 43780), (3160, 41591), (3476, 37810), (3781, 34760), (3980, 33022), (4180, 31442), (4345, 30248), (4378, 30020), (6004, 21890), (6952, 18905), (7505, 17512), (7562, 17380), (7960, 16511), (8360, 15721), (8690, 15124), (8756, 15010), (10945, 12008)]