19790640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27487}}^1$

素因数の和:27506

約数の個数: 60

約数和(自身を含む): 66465984

約数和(自身を除く): 46675344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27487, 54974, 82461, 109948, 137435, 164922, 219896, 247383, 274870, 329844, 412305, 439792, 494766, 549740, 659688, 824610, 989532, 1099480, 1236915, 1319376, 1649220, 1979064, 2198960, 2473830, 3298440, 3958128, 4947660, 6596880, 9895320, 19790640]

約数ペア:

[(1, 19790640), (2, 9895320), (3, 6596880), (4, 4947660), (5, 3958128), (6, 3298440), (8, 2473830), (9, 2198960), (10, 1979064), (12, 1649220), (15, 1319376), (16, 1236915), (18, 1099480), (20, 989532), (24, 824610), (30, 659688), (36, 549740), (40, 494766), (45, 439792), (48, 412305), (60, 329844), (72, 274870), (80, 247383), (90, 219896), (120, 164922), (144, 137435), (180, 109948), (240, 82461), (360, 54974), (720, 27487)]