131769560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13380

約数の個数: 64

約数和(自身を含む): 336117600

約数和(自身を除く): 204348040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 13337, 26674, 53348, 66685, 106696, 133370, 173381, 253403, 266740, 346762, 506806, 533480, 693524, 866905, 1013612, 1267015, 1387048, 1733810, 2027224, 2534030, 3294239, 3467620, 5068060, 6588478, 6935240, 10136120, 13176956, 16471195, 26353912, 32942390, 65884780, 131769560]

約数ペア:

[(1, 131769560), (2, 65884780), (4, 32942390), (5, 26353912), (8, 16471195), (10, 13176956), (13, 10136120), (19, 6935240), (20, 6588478), (26, 5068060), (38, 3467620), (40, 3294239), (52, 2534030), (65, 2027224), (76, 1733810), (95, 1387048), (104, 1267015), (130, 1013612), (152, 866905), (190, 693524), (247, 533480), (260, 506806), (380, 346762), (494, 266740), (520, 253403), (760, 173381), (988, 133370), (1235, 106696), (1976, 66685), (2470, 53348), (4940, 26674), (9880, 13337)]