19571280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81547}}^1$

素因数の和:81563

約数の個数: 40

約数和(自身を含む): 60671712

約数和(自身を除く): 41100432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81547, 163094, 244641, 326188, 407735, 489282, 652376, 815470, 978564, 1223205, 1304752, 1630940, 1957128, 2446410, 3261880, 3914256, 4892820, 6523760, 9785640, 19571280]

約数ペア:

[(1, 19571280), (2, 9785640), (3, 6523760), (4, 4892820), (5, 3914256), (6, 3261880), (8, 2446410), (10, 1957128), (12, 1630940), (15, 1304752), (16, 1223205), (20, 978564), (24, 815470), (30, 652376), (40, 489282), (48, 407735), (60, 326188), (80, 244641), (120, 163094), (240, 81547)]