120000720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71429}}^1$

素因数の和:71452

約数の個数: 80

約数和(自身を含む): 425151360

約数和(自身を除く): 305150640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 71429, 142858, 214287, 285716, 357145, 428574, 500003, 571432, 714290, 857148, 1000006, 1071435, 1142864, 1428580, 1500009, 1714296, 2000012, 2142870, 2500015, 2857160, 3000018, 3428592, 4000024, 4285740, 5000030, 5714320, 6000036, 7500045, 8000048, 8571480, 10000060, 12000072, 15000090, 17142960, 20000120, 24000144, 30000180, 40000240, 60000360, 120000720]

約数ペア:

[(1, 120000720), (2, 60000360), (3, 40000240), (4, 30000180), (5, 24000144), (6, 20000120), (7, 17142960), (8, 15000090), (10, 12000072), (12, 10000060), (14, 8571480), (15, 8000048), (16, 7500045), (20, 6000036), (21, 5714320), (24, 5000030), (28, 4285740), (30, 4000024), (35, 3428592), (40, 3000018), (42, 2857160), (48, 2500015), (56, 2142870), (60, 2000012), (70, 1714296), (80, 1500009), (84, 1428580), (105, 1142864), (112, 1071435), (120, 1000006), (140, 857148), (168, 714290), (210, 571432), (240, 500003), (280, 428574), (336, 357145), (420, 285716), (560, 214287), (840, 142858), (1680, 71429)]