1665090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{881}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 5080320

約数和(自身を除く): 3415230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 881, 945, 1762, 1890, 2643, 4405, 5286, 6167, 7929, 8810, 12334, 13215, 15858, 18501, 23787, 26430, 30835, 37002, 39645, 47574, 55503, 61670, 79290, 92505, 111006, 118935, 166509, 185010, 237870, 277515, 333018, 555030, 832545, 1665090]

約数ペア:

[(1, 1665090), (2, 832545), (3, 555030), (5, 333018), (6, 277515), (7, 237870), (9, 185010), (10, 166509), (14, 118935), (15, 111006), (18, 92505), (21, 79290), (27, 61670), (30, 55503), (35, 47574), (42, 39645), (45, 37002), (54, 30835), (63, 26430), (70, 23787), (90, 18501), (105, 15858), (126, 13215), (135, 12334), (189, 8810), (210, 7929), (270, 6167), (315, 5286), (378, 4405), (630, 2643), (881, 1890), (945, 1762)]