320646080

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7649}}^1$

素因数の和:7797

約数の個数: 56

約数和(自身を含む): 769467600

約数和(自身を除く): 448821520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 7649, 8384, 10480, 15298, 20960, 30596, 38245, 41920, 61192, 76490, 122384, 152980, 244768, 305960, 489536, 611920, 1002019, 1223840, 2004038, 2447680, 4008076, 5010095, 8016152, 10020190, 16032304, 20040380, 32064608, 40080760, 64129216, 80161520, 160323040, 320646080]

約数ペア:

[(1, 320646080), (2, 160323040), (4, 80161520), (5, 64129216), (8, 40080760), (10, 32064608), (16, 20040380), (20, 16032304), (32, 10020190), (40, 8016152), (64, 5010095), (80, 4008076), (131, 2447680), (160, 2004038), (262, 1223840), (320, 1002019), (524, 611920), (655, 489536), (1048, 305960), (1310, 244768), (2096, 152980), (2620, 122384), (4192, 76490), (5240, 61192), (7649, 41920), (8384, 38245), (10480, 30596), (15298, 20960)]