640920450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{4272803}}^1$

素因数の和:4272818

約数の個数: 24

約数和(自身を含む): 1589483088

約数和(自身を除く): 948562638

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 4272803, 8545606, 12818409, 21364015, 25636818, 42728030, 64092045, 106820075, 128184090, 213640150, 320460225, 640920450]

約数ペア:

[(1, 640920450), (2, 320460225), (3, 213640150), (5, 128184090), (6, 106820075), (10, 64092045), (15, 42728030), (25, 25636818), (30, 21364015), (50, 12818409), (75, 8545606), (150, 4272803)]