80174220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190891}}^1$

素因数の和:190910

約数の個数: 48

約数和(自身を含む): 256558848

約数和(自身を除く): 176384628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190891, 381782, 572673, 763564, 954455, 1145346, 1336237, 1908910, 2290692, 2672474, 2863365, 3817820, 4008711, 5344948, 5726730, 6681185, 8017422, 11453460, 13362370, 16034844, 20043555, 26724740, 40087110, 80174220]

約数ペア:

[(1, 80174220), (2, 40087110), (3, 26724740), (4, 20043555), (5, 16034844), (6, 13362370), (7, 11453460), (10, 8017422), (12, 6681185), (14, 5726730), (15, 5344948), (20, 4008711), (21, 3817820), (28, 2863365), (30, 2672474), (35, 2290692), (42, 1908910), (60, 1336237), (70, 1145346), (84, 954455), (105, 763564), (140, 572673), (210, 381782), (420, 190891)]