19712640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10267}}^1$

素因数の和:10289

約数の個数: 64

約数和(自身を含む): 62840160

約数和(自身を除く): 43127520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10267, 20534, 30801, 41068, 51335, 61602, 82136, 102670, 123204, 154005, 164272, 205340, 246408, 308010, 328544, 410680, 492816, 616020, 657088, 821360, 985632, 1232040, 1314176, 1642720, 1971264, 2464080, 3285440, 3942528, 4928160, 6570880, 9856320, 19712640]

約数ペア:

[(1, 19712640), (2, 9856320), (3, 6570880), (4, 4928160), (5, 3942528), (6, 3285440), (8, 2464080), (10, 1971264), (12, 1642720), (15, 1314176), (16, 1232040), (20, 985632), (24, 821360), (30, 657088), (32, 616020), (40, 492816), (48, 410680), (60, 328544), (64, 308010), (80, 246408), (96, 205340), (120, 164272), (128, 154005), (160, 123204), (192, 102670), (240, 82136), (320, 61602), (384, 51335), (480, 41068), (640, 30801), (960, 20534), (1920, 10267)]