28641720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{238681}}^1$

素因数の和:238695

約数の個数: 32

約数和(自身を含む): 85925520

約数和(自身を除く): 57283800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 238681, 477362, 716043, 954724, 1193405, 1432086, 1909448, 2386810, 2864172, 3580215, 4773620, 5728344, 7160430, 9547240, 14320860, 28641720]

約数ペア:

[(1, 28641720), (2, 14320860), (3, 9547240), (4, 7160430), (5, 5728344), (6, 4773620), (8, 3580215), (10, 2864172), (12, 2386810), (15, 1909448), (20, 1432086), (24, 1193405), (30, 954724), (40, 716043), (60, 477362), (120, 238681)]