1608660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{331}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 5075616

約数和(自身を除く): 3466956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 331, 405, 486, 540, 662, 810, 972, 993, 1215, 1324, 1620, 1655, 1986, 2430, 2979, 3310, 3972, 4860, 4965, 5958, 6620, 8937, 9930, 11916, 14895, 17874, 19860, 26811, 29790, 35748, 44685, 53622, 59580, 80433, 89370, 107244, 134055, 160866, 178740, 268110, 321732, 402165, 536220, 804330, 1608660]

約数ペア:

[(1, 1608660), (2, 804330), (3, 536220), (4, 402165), (5, 321732), (6, 268110), (9, 178740), (10, 160866), (12, 134055), (15, 107244), (18, 89370), (20, 80433), (27, 59580), (30, 53622), (36, 44685), (45, 35748), (54, 29790), (60, 26811), (81, 19860), (90, 17874), (108, 14895), (135, 11916), (162, 9930), (180, 8937), (243, 6620), (270, 5958), (324, 4965), (331, 4860), (405, 3972), (486, 3310), (540, 2979), (662, 2430), (810, 1986), (972, 1655), (993, 1620), (1215, 1324)]