70987020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91009}}^1$

素因数の和:91034

約数の個数: 48

約数和(自身を含む): 214055520

約数和(自身を除く): 143068500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 91009, 182018, 273027, 364036, 455045, 546054, 910090, 1092108, 1183117, 1365135, 1820180, 2366234, 2730270, 3549351, 4732468, 5460540, 5915585, 7098702, 11831170, 14197404, 17746755, 23662340, 35493510, 70987020]

約数ペア:

[(1, 70987020), (2, 35493510), (3, 23662340), (4, 17746755), (5, 14197404), (6, 11831170), (10, 7098702), (12, 5915585), (13, 5460540), (15, 4732468), (20, 3549351), (26, 2730270), (30, 2366234), (39, 1820180), (52, 1365135), (60, 1183117), (65, 1092108), (78, 910090), (130, 546054), (156, 455045), (195, 364036), (260, 273027), (390, 182018), (780, 91009)]