87145590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21841}}^1$

素因数の和:21877

約数の個数: 64

約数和(自身を含む): 251619840

約数和(自身を除く): 164474250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 21841, 43682, 65523, 109205, 131046, 152887, 218410, 305774, 327615, 414979, 458661, 655230, 764435, 829958, 917322, 1244937, 1528870, 2074895, 2293305, 2489874, 2904853, 4149790, 4586610, 5809706, 6224685, 8714559, 12449370, 14524265, 17429118, 29048530, 43572795, 87145590]

約数ペア:

[(1, 87145590), (2, 43572795), (3, 29048530), (5, 17429118), (6, 14524265), (7, 12449370), (10, 8714559), (14, 6224685), (15, 5809706), (19, 4586610), (21, 4149790), (30, 2904853), (35, 2489874), (38, 2293305), (42, 2074895), (57, 1528870), (70, 1244937), (95, 917322), (105, 829958), (114, 764435), (133, 655230), (190, 458661), (210, 414979), (266, 327615), (285, 305774), (399, 218410), (570, 152887), (665, 131046), (798, 109205), (1330, 65523), (1995, 43682), (3990, 21841)]