143387720

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{1493}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 376622460

約数和(自身を除く): 233234740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1493, 1715, 1960, 2401, 2744, 2986, 3430, 4802, 5972, 6860, 7465, 9604, 10451, 11944, 12005, 13720, 14930, 19208, 20902, 24010, 29860, 41804, 48020, 52255, 59720, 73157, 83608, 96040, 104510, 146314, 209020, 292628, 365785, 418040, 512099, 585256, 731570, 1024198, 1463140, 2048396, 2560495, 2926280, 3584693, 4096792, 5120990, 7169386, 10241980, 14338772, 17923465, 20483960, 28677544, 35846930, 71693860, 143387720]

約数ペア:

[(1, 143387720), (2, 71693860), (4, 35846930), (5, 28677544), (7, 20483960), (8, 17923465), (10, 14338772), (14, 10241980), (20, 7169386), (28, 5120990), (35, 4096792), (40, 3584693), (49, 2926280), (56, 2560495), (70, 2048396), (98, 1463140), (140, 1024198), (196, 731570), (245, 585256), (280, 512099), (343, 418040), (392, 365785), (490, 292628), (686, 209020), (980, 146314), (1372, 104510), (1493, 96040), (1715, 83608), (1960, 73157), (2401, 59720), (2744, 52255), (2986, 48020), (3430, 41804), (4802, 29860), (5972, 24010), (6860, 20902), (7465, 19208), (9604, 14930), (10451, 13720), (11944, 12005)]