1330976780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2179}}^1\times {\mathrm{4363}}^1$

素因数の和:6558

約数の個数: 48

約数和(自身を含む): 3196542720

約数和(自身を除く): 1865565940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2179, 4358, 4363, 8716, 8726, 10895, 15253, 17452, 21790, 21815, 30506, 30541, 43580, 43630, 61012, 61082, 76265, 87260, 122164, 152530, 152705, 305060, 305410, 610820, 9506977, 19013954, 38027908, 47534885, 66548839, 95069770, 133097678, 190139540, 266195356, 332744195, 665488390, 1330976780]

約数ペア:

[(1, 1330976780), (2, 665488390), (4, 332744195), (5, 266195356), (7, 190139540), (10, 133097678), (14, 95069770), (20, 66548839), (28, 47534885), (35, 38027908), (70, 19013954), (140, 9506977), (2179, 610820), (4358, 305410), (4363, 305060), (8716, 152705), (8726, 152530), (10895, 122164), (15253, 87260), (17452, 76265), (21790, 61082), (21815, 61012), (30506, 43630), (30541, 43580)]