181420920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{503947}}^1$

素因数の和:503964

約数の個数: 48

約数和(自身を含む): 589619160

約数和(自身を除く): 408198240

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, 503947, 1007894, 1511841, 2015788, 2519735, 3023682, 4031576, 4535523, 5039470, 6047364, 7559205, 9071046, 10078940, 12094728, 15118410, 18142092, 20157880, 22677615, 30236820, 36284184, 45355230, 60473640, 90710460, 181420920]

約数ペア:

[(1, 181420920), (2, 90710460), (3, 60473640), (4, 45355230), (5, 36284184), (6, 30236820), (8, 22677615), (9, 20157880), (10, 18142092), (12, 15118410), (15, 12094728), (18, 10078940), (20, 9071046), (24, 7559205), (30, 6047364), (36, 5039470), (40, 4535523), (45, 4031576), (60, 3023682), (72, 2519735), (90, 2015788), (120, 1511841), (180, 1007894), (360, 503947)]