153504920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16057}}^1$

素因数の和:16307

約数の個数: 32

約数和(自身を含む): 346852800

約数和(自身を除く): 193347880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 16057, 32114, 64228, 80285, 128456, 160570, 321140, 642280, 3837623, 7675246, 15350492, 19188115, 30700984, 38376230, 76752460, 153504920]

約数ペア:

[(1, 153504920), (2, 76752460), (4, 38376230), (5, 30700984), (8, 19188115), (10, 15350492), (20, 7675246), (40, 3837623), (239, 642280), (478, 321140), (956, 160570), (1195, 128456), (1912, 80285), (2390, 64228), (4780, 32114), (9560, 16057)]