660560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 1607040

約数和(自身を除く): 946480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 359, 368, 460, 718, 920, 1436, 1795, 1840, 2872, 3590, 5744, 7180, 8257, 14360, 16514, 28720, 33028, 41285, 66056, 82570, 132112, 165140, 330280, 660560]

約数ペア:

[(1, 660560), (2, 330280), (4, 165140), (5, 132112), (8, 82570), (10, 66056), (16, 41285), (20, 33028), (23, 28720), (40, 16514), (46, 14360), (80, 8257), (92, 7180), (115, 5744), (184, 3590), (230, 2872), (359, 1840), (368, 1795), (460, 1436), (718, 920)]