31515780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4909}}^1$

素因数の和:5028

約数の個数: 48

約数和(自身を含む): 89087040

約数和(自身を除く): 57571260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 4909, 6420, 9818, 14727, 19636, 24545, 29454, 49090, 58908, 73635, 98180, 147270, 294540, 525263, 1050526, 1575789, 2101052, 2626315, 3151578, 5252630, 6303156, 7878945, 10505260, 15757890, 31515780]

約数ペア:

[(1, 31515780), (2, 15757890), (3, 10505260), (4, 7878945), (5, 6303156), (6, 5252630), (10, 3151578), (12, 2626315), (15, 2101052), (20, 1575789), (30, 1050526), (60, 525263), (107, 294540), (214, 147270), (321, 98180), (428, 73635), (535, 58908), (642, 49090), (1070, 29454), (1284, 24545), (1605, 19636), (2140, 14727), (3210, 9818), (4909, 6420)]