31512720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131303}}^1$

素因数の和:131319

約数の個数: 40

約数和(自身を含む): 97690176

約数和(自身を除く): 66177456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131303, 262606, 393909, 525212, 656515, 787818, 1050424, 1313030, 1575636, 1969545, 2100848, 2626060, 3151272, 3939090, 5252120, 6302544, 7878180, 10504240, 15756360, 31512720]

約数ペア:

[(1, 31512720), (2, 15756360), (3, 10504240), (4, 7878180), (5, 6302544), (6, 5252120), (8, 3939090), (10, 3151272), (12, 2626060), (15, 2100848), (16, 1969545), (20, 1575636), (24, 1313030), (30, 1050424), (40, 787818), (48, 656515), (60, 525212), (80, 393909), (120, 262606), (240, 131303)]