209364720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872353}}^1$

素因数の和:872369

約数の個数: 40

約数和(自身を含む): 649031376

約数和(自身を除く): 439666656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872353, 1744706, 2617059, 3489412, 4361765, 5234118, 6978824, 8723530, 10468236, 13085295, 13957648, 17447060, 20936472, 26170590, 34894120, 41872944, 52341180, 69788240, 104682360, 209364720]

約数ペア:

[(1, 209364720), (2, 104682360), (3, 69788240), (4, 52341180), (5, 41872944), (6, 34894120), (8, 26170590), (10, 20936472), (12, 17447060), (15, 13957648), (16, 13085295), (20, 10468236), (24, 8723530), (30, 6978824), (40, 5234118), (48, 4361765), (60, 3489412), (80, 2617059), (120, 1744706), (240, 872353)]