131311320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 321562920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 446, 669, 701, 840, 892, 1115, 1338, 1402, 1561, 1784, 2103, 2230, 2676, 2804, 3122, 3345, 3505, 4206, 4460, 4683, 4907, 5352, 5608, 6244, 6690, 7010, 7805, 8412, 8920, 9366, 9814, 10515, 12488, 13380, 14020, 14721, 15610, 16824, 18732, 19628, 21030, 23415, 24535, 26760, 28040, 29442, 31220, 37464, 39256, 42060, 46830, 49070, 58884, 62440, 73605, 84120, 93660, 98140, 117768, 147210, 156323, 187320, 196280, 294420, 312646, 468969, 588840, 625292, 781615, 937938, 1094261, 1250584, 1563230, 1875876, 2188522, 2344845, 3126460, 3282783, 3751752, 4377044, 4689690, 5471305, 6252920, 6565566, 8754088, 9379380, 10942610, 13131132, 16413915, 18758760, 21885220, 26262264, 32827830, 43770440, 65655660, 131311320]

約数ペア:

[(1, 131311320), (2, 65655660), (3, 43770440), (4, 32827830), (5, 26262264), (6, 21885220), (7, 18758760), (8, 16413915), (10, 13131132), (12, 10942610), (14, 9379380), (15, 8754088), (20, 6565566), (21, 6252920), (24, 5471305), (28, 4689690), (30, 4377044), (35, 3751752), (40, 3282783), (42, 3126460), (56, 2344845), (60, 2188522), (70, 1875876), (84, 1563230), (105, 1250584), (120, 1094261), (140, 937938), (168, 781615), (210, 625292), (223, 588840), (280, 468969), (420, 312646), (446, 294420), (669, 196280), (701, 187320), (840, 156323), (892, 147210), (1115, 117768), (1338, 98140), (1402, 93660), (1561, 84120), (1784, 73605), (2103, 62440), (2230, 58884), (2676, 49070), (2804, 46830), (3122, 42060), (3345, 39256), (3505, 37464), (4206, 31220), (4460, 29442), (4683, 28040), (4907, 26760), (5352, 24535), (5608, 23415), (6244, 21030), (6690, 19628), (7010, 18732), (7805, 16824), (8412, 15610), (8920, 14721), (9366, 14020), (9814, 13380), (10515, 12488)]