57072860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 136453632

約数和(自身を除く): 79380772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 73, 97, 124, 130, 146, 155, 194, 260, 292, 310, 365, 388, 403, 485, 620, 730, 806, 949, 970, 1261, 1460, 1612, 1898, 1940, 2015, 2263, 2522, 3007, 3796, 4030, 4526, 4745, 5044, 6014, 6305, 7081, 8060, 9052, 9490, 11315, 12028, 12610, 14162, 15035, 18980, 22630, 25220, 28324, 29419, 30070, 35405, 39091, 45260, 58838, 60140, 70810, 78182, 92053, 117676, 141620, 147095, 156364, 184106, 195455, 219511, 294190, 368212, 390910, 439022, 460265, 588380, 781820, 878044, 920530, 1097555, 1841060, 2195110, 2853643, 4390220, 5707286, 11414572, 14268215, 28536430, 57072860]

約数ペア:

[(1, 57072860), (2, 28536430), (4, 14268215), (5, 11414572), (10, 5707286), (13, 4390220), (20, 2853643), (26, 2195110), (31, 1841060), (52, 1097555), (62, 920530), (65, 878044), (73, 781820), (97, 588380), (124, 460265), (130, 439022), (146, 390910), (155, 368212), (194, 294190), (260, 219511), (292, 195455), (310, 184106), (365, 156364), (388, 147095), (403, 141620), (485, 117676), (620, 92053), (730, 78182), (806, 70810), (949, 60140), (970, 58838), (1261, 45260), (1460, 39091), (1612, 35405), (1898, 30070), (1940, 29419), (2015, 28324), (2263, 25220), (2522, 22630), (3007, 18980), (3796, 15035), (4030, 14162), (4526, 12610), (4745, 12028), (5044, 11315), (6014, 9490), (6305, 9052), (7081, 8060)]