620974380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{796121}}^1$

素因数の和:796146

約数の個数: 48

約数和(自身を含む): 1872478944

約数和(自身を除く): 1251504564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 796121, 1592242, 2388363, 3184484, 3980605, 4776726, 7961210, 9553452, 10349573, 11941815, 15922420, 20699146, 23883630, 31048719, 41398292, 47767260, 51747865, 62097438, 103495730, 124194876, 155243595, 206991460, 310487190, 620974380]

約数ペア:

[(1, 620974380), (2, 310487190), (3, 206991460), (4, 155243595), (5, 124194876), (6, 103495730), (10, 62097438), (12, 51747865), (13, 47767260), (15, 41398292), (20, 31048719), (26, 23883630), (30, 20699146), (39, 15922420), (52, 11941815), (60, 10349573), (65, 9553452), (78, 7961210), (130, 4776726), (156, 3980605), (195, 3184484), (260, 2388363), (390, 1592242), (780, 796121)]