201621720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1680181}}^1$

素因数の和:1680195

約数の個数: 32

約数和(自身を含む): 604865520

約数和(自身を除く): 403243800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1680181, 3360362, 5040543, 6720724, 8400905, 10081086, 13441448, 16801810, 20162172, 25202715, 33603620, 40324344, 50405430, 67207240, 100810860, 201621720]

約数ペア:

[(1, 201621720), (2, 100810860), (3, 67207240), (4, 50405430), (5, 40324344), (6, 33603620), (8, 25202715), (10, 20162172), (12, 16801810), (15, 13441448), (20, 10081086), (24, 8400905), (30, 6720724), (40, 5040543), (60, 3360362), (120, 1680181)]