123076280

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7523}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 277635600

約数和(自身を除く): 154559320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 7523, 8180, 15046, 16360, 30092, 37615, 60184, 75230, 150460, 300920, 3076907, 6153814, 12307628, 15384535, 24615256, 30769070, 61538140, 123076280]

約数ペア:

[(1, 123076280), (2, 61538140), (4, 30769070), (5, 24615256), (8, 15384535), (10, 12307628), (20, 6153814), (40, 3076907), (409, 300920), (818, 150460), (1636, 75230), (2045, 60184), (3272, 37615), (4090, 30092), (7523, 16360), (8180, 15046)]