68386760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 166622400

約数和(自身を除く): 98235640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 379, 520, 694, 758, 1388, 1516, 1735, 1895, 2776, 3032, 3470, 3790, 4511, 4927, 6940, 7580, 9022, 9854, 13880, 15160, 18044, 19708, 22555, 24635, 36088, 39416, 45110, 49270, 90220, 98540, 131513, 180440, 197080, 263026, 526052, 657565, 1052104, 1315130, 1709669, 2630260, 3419338, 5260520, 6838676, 8548345, 13677352, 17096690, 34193380, 68386760]

約数ペア:

[(1, 68386760), (2, 34193380), (4, 17096690), (5, 13677352), (8, 8548345), (10, 6838676), (13, 5260520), (20, 3419338), (26, 2630260), (40, 1709669), (52, 1315130), (65, 1052104), (104, 657565), (130, 526052), (260, 263026), (347, 197080), (379, 180440), (520, 131513), (694, 98540), (758, 90220), (1388, 49270), (1516, 45110), (1735, 39416), (1895, 36088), (2776, 24635), (3032, 22555), (3470, 19708), (3790, 18044), (4511, 15160), (4927, 13880), (6940, 9854), (7580, 9022)]