30368720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2883

約数の個数: 40

約数和(自身を含む): 71141280

約数和(自身を除く): 40772560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2731, 2780, 5462, 5560, 10924, 11120, 13655, 21848, 27310, 43696, 54620, 109240, 218480, 379609, 759218, 1518436, 1898045, 3036872, 3796090, 6073744, 7592180, 15184360, 30368720]

約数ペア:

[(1, 30368720), (2, 15184360), (4, 7592180), (5, 6073744), (8, 3796090), (10, 3036872), (16, 1898045), (20, 1518436), (40, 759218), (80, 379609), (139, 218480), (278, 109240), (556, 54620), (695, 43696), (1112, 27310), (1390, 21848), (2224, 13655), (2731, 11120), (2780, 10924), (5462, 5560)]