128180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 317520

約数和(自身を除く): 189340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 442, 493, 580, 754, 884, 986, 1105, 1508, 1885, 1972, 2210, 2465, 3770, 4420, 4930, 6409, 7540, 9860, 12818, 25636, 32045, 64090, 128180]

約数ペア:

[(1, 128180), (2, 64090), (4, 32045), (5, 25636), (10, 12818), (13, 9860), (17, 7540), (20, 6409), (26, 4930), (29, 4420), (34, 3770), (52, 2465), (58, 2210), (65, 1972), (68, 1885), (85, 1508), (116, 1105), (130, 986), (145, 884), (170, 754), (221, 580), (260, 493), (290, 442), (340, 377)]