131332760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 207355240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 79, 92, 104, 115, 130, 139, 158, 184, 230, 260, 278, 299, 316, 395, 460, 520, 556, 598, 632, 695, 790, 920, 1027, 1112, 1196, 1390, 1495, 1580, 1807, 1817, 2054, 2392, 2780, 2990, 3160, 3197, 3614, 3634, 4108, 5135, 5560, 5980, 6394, 7228, 7268, 8216, 9035, 9085, 10270, 10981, 11960, 12788, 14456, 14536, 15985, 18070, 18170, 20540, 21962, 23621, 25576, 31970, 36140, 36340, 41080, 41561, 43924, 47242, 54905, 63940, 72280, 72680, 83122, 87848, 94484, 109810, 118105, 127880, 142753, 166244, 188968, 207805, 219620, 236210, 252563, 285506, 332488, 415610, 439240, 472420, 505126, 571012, 713765, 831220, 944840, 1010252, 1142024, 1262815, 1427530, 1662440, 2020504, 2525630, 2855060, 3283319, 5051260, 5710120, 6566638, 10102520, 13133276, 16416595, 26266552, 32833190, 65666380, 131332760]

約数ペア:

[(1, 131332760), (2, 65666380), (4, 32833190), (5, 26266552), (8, 16416595), (10, 13133276), (13, 10102520), (20, 6566638), (23, 5710120), (26, 5051260), (40, 3283319), (46, 2855060), (52, 2525630), (65, 2020504), (79, 1662440), (92, 1427530), (104, 1262815), (115, 1142024), (130, 1010252), (139, 944840), (158, 831220), (184, 713765), (230, 571012), (260, 505126), (278, 472420), (299, 439240), (316, 415610), (395, 332488), (460, 285506), (520, 252563), (556, 236210), (598, 219620), (632, 207805), (695, 188968), (790, 166244), (920, 142753), (1027, 127880), (1112, 118105), (1196, 109810), (1390, 94484), (1495, 87848), (1580, 83122), (1807, 72680), (1817, 72280), (2054, 63940), (2392, 54905), (2780, 47242), (2990, 43924), (3160, 41561), (3197, 41080), (3614, 36340), (3634, 36140), (4108, 31970), (5135, 25576), (5560, 23621), (5980, 21962), (6394, 20540), (7228, 18170), (7268, 18070), (8216, 15985), (9035, 14536), (9085, 14456), (10270, 12788), (10981, 11960)]