12185730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 32145984

約数和(自身を除く): 19960254

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 1907, 2130, 3195, 3814, 5721, 6390, 9535, 11442, 17163, 19070, 28605, 34326, 57210, 85815, 135397, 171630, 270794, 406191, 676985, 812382, 1218573, 1353970, 2030955, 2437146, 4061910, 6092865, 12185730]

約数ペア:

[(1, 12185730), (2, 6092865), (3, 4061910), (5, 2437146), (6, 2030955), (9, 1353970), (10, 1218573), (15, 812382), (18, 676985), (30, 406191), (45, 270794), (71, 171630), (90, 135397), (142, 85815), (213, 57210), (355, 34326), (426, 28605), (639, 19070), (710, 17163), (1065, 11442), (1278, 9535), (1907, 6390), (2130, 5721), (3195, 3814)]