31012140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1481}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 87141600

約数和(自身を除く): 56129460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 1047, 1396, 1481, 1745, 2094, 2962, 3490, 4188, 4443, 5235, 5924, 6980, 7405, 8886, 10470, 14810, 17772, 20940, 22215, 29620, 44430, 88860, 516869, 1033738, 1550607, 2067476, 2584345, 3101214, 5168690, 6202428, 7753035, 10337380, 15506070, 31012140]

約数ペア:

[(1, 31012140), (2, 15506070), (3, 10337380), (4, 7753035), (5, 6202428), (6, 5168690), (10, 3101214), (12, 2584345), (15, 2067476), (20, 1550607), (30, 1033738), (60, 516869), (349, 88860), (698, 44430), (1047, 29620), (1396, 22215), (1481, 20940), (1745, 17772), (2094, 14810), (2962, 10470), (3490, 8886), (4188, 7405), (4443, 6980), (5235, 5924)]