81669660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6451}}^1$

素因数の和:6674

約数の個数: 48

約数和(自身を含む): 229794432

約数和(自身を除く): 148124772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2532, 3165, 4220, 6330, 6451, 12660, 12902, 19353, 25804, 32255, 38706, 64510, 77412, 96765, 129020, 193530, 387060, 1361161, 2722322, 4083483, 5444644, 6805805, 8166966, 13611610, 16333932, 20417415, 27223220, 40834830, 81669660]

約数ペア:

[(1, 81669660), (2, 40834830), (3, 27223220), (4, 20417415), (5, 16333932), (6, 13611610), (10, 8166966), (12, 6805805), (15, 5444644), (20, 4083483), (30, 2722322), (60, 1361161), (211, 387060), (422, 193530), (633, 129020), (844, 96765), (1055, 77412), (1266, 64510), (2110, 38706), (2532, 32255), (3165, 25804), (4220, 19353), (6330, 12902), (6451, 12660)]