205048980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1129}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 623149800

約数和(自身を除く): 418100820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1009, 1129, 2018, 2258, 3027, 3387, 4036, 4516, 5045, 5645, 6054, 6774, 9081, 10090, 10161, 11290, 12108, 13548, 15135, 16935, 18162, 20180, 20322, 22580, 30270, 33870, 36324, 40644, 45405, 50805, 60540, 67740, 90810, 101610, 181620, 203220, 1139161, 2278322, 3417483, 4556644, 5695805, 6834966, 10252449, 11391610, 13669932, 17087415, 20504898, 22783220, 34174830, 41009796, 51262245, 68349660, 102524490, 205048980]

約数ペア:

[(1, 205048980), (2, 102524490), (3, 68349660), (4, 51262245), (5, 41009796), (6, 34174830), (9, 22783220), (10, 20504898), (12, 17087415), (15, 13669932), (18, 11391610), (20, 10252449), (30, 6834966), (36, 5695805), (45, 4556644), (60, 3417483), (90, 2278322), (180, 1139161), (1009, 203220), (1129, 181620), (2018, 101610), (2258, 90810), (3027, 67740), (3387, 60540), (4036, 50805), (4516, 45405), (5045, 40644), (5645, 36324), (6054, 33870), (6774, 30270), (9081, 22580), (10090, 20322), (10161, 20180), (11290, 18162), (12108, 16935), (13548, 15135)]