204042540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261593}}^1$

素因数の和:261618

約数の個数: 48

約数和(自身を含む): 615269088

約数和(自身を除く): 411226548

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, 261593, 523186, 784779, 1046372, 1307965, 1569558, 2615930, 3139116, 3400709, 3923895, 5231860, 6801418, 7847790, 10202127, 13602836, 15695580, 17003545, 20404254, 34007090, 40808508, 51010635, 68014180, 102021270, 204042540]

約数ペア:

[(1, 204042540), (2, 102021270), (3, 68014180), (4, 51010635), (5, 40808508), (6, 34007090), (10, 20404254), (12, 17003545), (13, 15695580), (15, 13602836), (20, 10202127), (26, 7847790), (30, 6801418), (39, 5231860), (52, 3923895), (60, 3400709), (65, 3139116), (78, 2615930), (130, 1569558), (156, 1307965), (195, 1046372), (260, 784779), (390, 523186), (780, 261593)]