1688880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 5428224

約数和(自身を除く): 3739344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 227, 240, 248, 310, 372, 454, 465, 496, 620, 681, 744, 908, 930, 1135, 1240, 1362, 1488, 1816, 1860, 2270, 2480, 2724, 3405, 3632, 3720, 4540, 5448, 6810, 7037, 7440, 9080, 10896, 13620, 14074, 18160, 21111, 27240, 28148, 35185, 42222, 54480, 56296, 70370, 84444, 105555, 112592, 140740, 168888, 211110, 281480, 337776, 422220, 562960, 844440, 1688880]

約数ペア:

[(1, 1688880), (2, 844440), (3, 562960), (4, 422220), (5, 337776), (6, 281480), (8, 211110), (10, 168888), (12, 140740), (15, 112592), (16, 105555), (20, 84444), (24, 70370), (30, 56296), (31, 54480), (40, 42222), (48, 35185), (60, 28148), (62, 27240), (80, 21111), (93, 18160), (120, 14074), (124, 13620), (155, 10896), (186, 9080), (227, 7440), (240, 7037), (248, 6810), (310, 5448), (372, 4540), (454, 3720), (465, 3632), (496, 3405), (620, 2724), (681, 2480), (744, 2270), (908, 1860), (930, 1816), (1135, 1488), (1240, 1362)]