625590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 1912320

約数和(自身を除く): 1286730

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, 331, 378, 630, 662, 945, 993, 1655, 1890, 1986, 2317, 2979, 3310, 4634, 4965, 5958, 6951, 8937, 9930, 11585, 13902, 14895, 17874, 20853, 23170, 29790, 34755, 41706, 44685, 62559, 69510, 89370, 104265, 125118, 208530, 312795, 625590]

約数ペア:

[(1, 625590), (2, 312795), (3, 208530), (5, 125118), (6, 104265), (7, 89370), (9, 69510), (10, 62559), (14, 44685), (15, 41706), (18, 34755), (21, 29790), (27, 23170), (30, 20853), (35, 17874), (42, 14895), (45, 13902), (54, 11585), (63, 9930), (70, 8937), (90, 6951), (105, 5958), (126, 4965), (135, 4634), (189, 3310), (210, 2979), (270, 2317), (315, 1986), (331, 1890), (378, 1655), (630, 993), (662, 945)]