72712020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2963}}^1$

素因数の和:3384

約数の個数: 48

約数和(自身を含む): 204160320

約数和(自身を除く): 131448300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 2963, 4090, 4908, 5926, 6135, 8180, 8889, 11852, 12270, 14815, 17778, 24540, 29630, 35556, 44445, 59260, 88890, 177780, 1211867, 2423734, 3635601, 4847468, 6059335, 7271202, 12118670, 14542404, 18178005, 24237340, 36356010, 72712020]

約数ペア:

[(1, 72712020), (2, 36356010), (3, 24237340), (4, 18178005), (5, 14542404), (6, 12118670), (10, 7271202), (12, 6059335), (15, 4847468), (20, 3635601), (30, 2423734), (60, 1211867), (409, 177780), (818, 88890), (1227, 59260), (1636, 44445), (2045, 35556), (2454, 29630), (2963, 24540), (4090, 17778), (4908, 14815), (5926, 12270), (6135, 11852), (8180, 8889)]