72345880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106391}}^1$

素因数の和:106419

約数の個数: 32

約数和(自身を含む): 172355040

約数和(自身を除く): 100009160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 106391, 212782, 425564, 531955, 851128, 1063910, 1808647, 2127820, 3617294, 4255640, 7234588, 9043235, 14469176, 18086470, 36172940, 72345880]

約数ペア:

[(1, 72345880), (2, 36172940), (4, 18086470), (5, 14469176), (8, 9043235), (10, 7234588), (17, 4255640), (20, 3617294), (34, 2127820), (40, 1808647), (68, 1063910), (85, 851128), (136, 531955), (170, 425564), (340, 212782), (680, 106391)]