1321120

素因数分解:

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

素因数の和:397

約数の個数: 48

約数和(自身を含む): 3265920

約数和(自身を除く): 1944800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 359, 368, 460, 718, 736, 920, 1436, 1795, 1840, 2872, 3590, 3680, 5744, 7180, 8257, 11488, 14360, 16514, 28720, 33028, 41285, 57440, 66056, 82570, 132112, 165140, 264224, 330280, 660560, 1321120]

約数ペア:

[(1, 1321120), (2, 660560), (4, 330280), (5, 264224), (8, 165140), (10, 132112), (16, 82570), (20, 66056), (23, 57440), (32, 41285), (40, 33028), (46, 28720), (80, 16514), (92, 14360), (115, 11488), (160, 8257), (184, 7180), (230, 5744), (359, 3680), (368, 3590), (460, 2872), (718, 1840), (736, 1795), (920, 1436)]