2731960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 7672320

約数和(自身を除く): 4940360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 887, 1540, 1774, 3080, 3548, 4435, 6209, 7096, 8870, 9757, 12418, 17740, 19514, 24836, 31045, 35480, 39028, 48785, 49672, 62090, 68299, 78056, 97570, 124180, 136598, 195140, 248360, 273196, 341495, 390280, 546392, 682990, 1365980, 2731960]

約数ペア:

[(1, 2731960), (2, 1365980), (4, 682990), (5, 546392), (7, 390280), (8, 341495), (10, 273196), (11, 248360), (14, 195140), (20, 136598), (22, 124180), (28, 97570), (35, 78056), (40, 68299), (44, 62090), (55, 49672), (56, 48785), (70, 39028), (77, 35480), (88, 31045), (110, 24836), (140, 19514), (154, 17740), (220, 12418), (280, 9757), (308, 8870), (385, 7096), (440, 6209), (616, 4435), (770, 3548), (887, 3080), (1540, 1774)]