71828280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199523}}^1$

素因数の和:199540

約数の個数: 48

約数和(自身を含む): 233443080

約数和(自身を除く): 161614800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 199523, 399046, 598569, 798092, 997615, 1197138, 1596184, 1795707, 1995230, 2394276, 2992845, 3591414, 3990460, 4788552, 5985690, 7182828, 7980920, 8978535, 11971380, 14365656, 17957070, 23942760, 35914140, 71828280]

約数ペア:

[(1, 71828280), (2, 35914140), (3, 23942760), (4, 17957070), (5, 14365656), (6, 11971380), (8, 8978535), (9, 7980920), (10, 7182828), (12, 5985690), (15, 4788552), (18, 3990460), (20, 3591414), (24, 2992845), (30, 2394276), (36, 1995230), (40, 1795707), (45, 1596184), (60, 1197138), (72, 997615), (90, 798092), (120, 598569), (180, 399046), (360, 199523)]