1987429020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{72481}}^1$

素因数の和:72950

約数の個数: 48

約数和(自身を含む): 5577055008

約数和(自身を除く): 3589625988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1371, 1828, 2285, 2742, 4570, 5484, 6855, 9140, 13710, 27420, 72481, 144962, 217443, 289924, 362405, 434886, 724810, 869772, 1087215, 1449620, 2174430, 4348860, 33123817, 66247634, 99371451, 132495268, 165619085, 198742902, 331238170, 397485804, 496857255, 662476340, 993714510, 1987429020]

約数ペア:

[(1, 1987429020), (2, 993714510), (3, 662476340), (4, 496857255), (5, 397485804), (6, 331238170), (10, 198742902), (12, 165619085), (15, 132495268), (20, 99371451), (30, 66247634), (60, 33123817), (457, 4348860), (914, 2174430), (1371, 1449620), (1828, 1087215), (2285, 869772), (2742, 724810), (4570, 434886), (5484, 362405), (6855, 289924), (9140, 217443), (13710, 144962), (27420, 72481)]