30504920

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1049}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 68796000

約数和(自身を除く): 38291080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1049, 1454, 2098, 2908, 3635, 4196, 5245, 5816, 7270, 8392, 10490, 14540, 20980, 29080, 41960, 762623, 1525246, 3050492, 3813115, 6100984, 7626230, 15252460, 30504920]

約数ペア:

[(1, 30504920), (2, 15252460), (4, 7626230), (5, 6100984), (8, 3813115), (10, 3050492), (20, 1525246), (40, 762623), (727, 41960), (1049, 29080), (1454, 20980), (2098, 14540), (2908, 10490), (3635, 8392), (4196, 7270), (5245, 5816)]