81316320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169409}}^1$

素因数の和:169427

約数の個数: 48

約数和(自身を含む): 256147920

約数和(自身を除く): 174831600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169409, 338818, 508227, 677636, 847045, 1016454, 1355272, 1694090, 2032908, 2541135, 2710544, 3388180, 4065816, 5082270, 5421088, 6776360, 8131632, 10164540, 13552720, 16263264, 20329080, 27105440, 40658160, 81316320]

約数ペア:

[(1, 81316320), (2, 40658160), (3, 27105440), (4, 20329080), (5, 16263264), (6, 13552720), (8, 10164540), (10, 8131632), (12, 6776360), (15, 5421088), (16, 5082270), (20, 4065816), (24, 3388180), (30, 2710544), (32, 2541135), (40, 2032908), (48, 1694090), (60, 1355272), (80, 1016454), (96, 847045), (120, 677636), (160, 508227), (240, 338818), (480, 169409)]