854005360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26489}}^1$

素因数の和:26546

約数の個数: 80

約数和(自身を含む): 2207358720

約数和(自身を除く): 1353353360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 26489, 32240, 52978, 105956, 132445, 211912, 264890, 344357, 423824, 529780, 688714, 821159, 1059560, 1377428, 1642318, 1721785, 2119120, 2754856, 3284636, 3443570, 4105795, 5509712, 6569272, 6887140, 8211590, 10675067, 13138544, 13774280, 16423180, 21350134, 27548560, 32846360, 42700268, 53375335, 65692720, 85400536, 106750670, 170801072, 213501340, 427002680, 854005360]

約数ペア:

[(1, 854005360), (2, 427002680), (4, 213501340), (5, 170801072), (8, 106750670), (10, 85400536), (13, 65692720), (16, 53375335), (20, 42700268), (26, 32846360), (31, 27548560), (40, 21350134), (52, 16423180), (62, 13774280), (65, 13138544), (80, 10675067), (104, 8211590), (124, 6887140), (130, 6569272), (155, 5509712), (208, 4105795), (248, 3443570), (260, 3284636), (310, 2754856), (403, 2119120), (496, 1721785), (520, 1642318), (620, 1377428), (806, 1059560), (1040, 821159), (1240, 688714), (1612, 529780), (2015, 423824), (2480, 344357), (3224, 264890), (4030, 211912), (6448, 132445), (8060, 105956), (16120, 52978), (26489, 32240)]