51321720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{427681}}^1$

素因数の和:427695

約数の個数: 32

約数和(自身を含む): 153965520

約数和(自身を除く): 102643800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 427681, 855362, 1283043, 1710724, 2138405, 2566086, 3421448, 4276810, 5132172, 6415215, 8553620, 10264344, 12830430, 17107240, 25660860, 51321720]

約数ペア:

[(1, 51321720), (2, 25660860), (3, 17107240), (4, 12830430), (5, 10264344), (6, 8553620), (8, 6415215), (10, 5132172), (12, 4276810), (15, 3421448), (20, 2566086), (24, 2138405), (30, 1710724), (40, 1283043), (60, 855362), (120, 427681)]