2605740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 7372512

約数和(自身を除く): 4766772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 317, 411, 548, 634, 685, 822, 951, 1268, 1370, 1585, 1644, 1902, 2055, 2740, 3170, 3804, 4110, 4755, 6340, 8220, 9510, 19020, 43429, 86858, 130287, 173716, 217145, 260574, 434290, 521148, 651435, 868580, 1302870, 2605740]

約数ペア:

[(1, 2605740), (2, 1302870), (3, 868580), (4, 651435), (5, 521148), (6, 434290), (10, 260574), (12, 217145), (15, 173716), (20, 130287), (30, 86858), (60, 43429), (137, 19020), (274, 9510), (317, 8220), (411, 6340), (548, 4755), (634, 4110), (685, 3804), (822, 3170), (951, 2740), (1268, 2055), (1370, 1902), (1585, 1644)]