31579980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4919}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 89268480

約数和(自身を除く): 57688500

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, 4919, 6420, 9838, 14757, 19676, 24595, 29514, 49190, 59028, 73785, 98380, 147570, 295140, 526333, 1052666, 1578999, 2105332, 2631665, 3157998, 5263330, 6315996, 7894995, 10526660, 15789990, 31579980]

約数ペア:

[(1, 31579980), (2, 15789990), (3, 10526660), (4, 7894995), (5, 6315996), (6, 5263330), (10, 3157998), (12, 2631665), (15, 2105332), (20, 1578999), (30, 1052666), (60, 526333), (107, 295140), (214, 147570), (321, 98380), (428, 73785), (535, 59028), (642, 49190), (1070, 29514), (1284, 24595), (1605, 19676), (2140, 14757), (3210, 9838), (4919, 6420)]