15678835640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{135209}}^1$

素因数の和:135456

約数の個数: 64

約数和(自身を含む): 38161670400

約数和(自身を除く): 22482834760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 2230, 2899, 4460, 5798, 8920, 11596, 14495, 23192, 28990, 57980, 115960, 135209, 270418, 540836, 676045, 1081672, 1352090, 1757717, 2704180, 3515434, 5408360, 7030868, 8788585, 14061736, 17577170, 30151607, 35154340, 60303214, 70308680, 120606428, 150758035, 241212856, 301516070, 391970891, 603032140, 783941782, 1206064280, 1567883564, 1959854455, 3135767128, 3919708910, 7839417820, 15678835640]

約数ペア:

[(1, 15678835640), (2, 7839417820), (4, 3919708910), (5, 3135767128), (8, 1959854455), (10, 1567883564), (13, 1206064280), (20, 783941782), (26, 603032140), (40, 391970891), (52, 301516070), (65, 241212856), (104, 150758035), (130, 120606428), (223, 70308680), (260, 60303214), (446, 35154340), (520, 30151607), (892, 17577170), (1115, 14061736), (1784, 8788585), (2230, 7030868), (2899, 5408360), (4460, 3515434), (5798, 2704180), (8920, 1757717), (11596, 1352090), (14495, 1081672), (23192, 676045), (28990, 540836), (57980, 270418), (115960, 135209)]