30451760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22391}}^1$

素因数の和:22421

約数の個数: 40

約数和(自身を含む): 74968416

約数和(自身を除く): 44516656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22391, 44782, 89564, 111955, 179128, 223910, 358256, 380647, 447820, 761294, 895640, 1522588, 1791280, 1903235, 3045176, 3806470, 6090352, 7612940, 15225880, 30451760]

約数ペア:

[(1, 30451760), (2, 15225880), (4, 7612940), (5, 6090352), (8, 3806470), (10, 3045176), (16, 1903235), (17, 1791280), (20, 1522588), (34, 895640), (40, 761294), (68, 447820), (80, 380647), (85, 358256), (136, 223910), (170, 179128), (272, 111955), (340, 89564), (680, 44782), (1360, 22391)]