155537720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2647}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 380358720

約数和(自身を除く): 224821000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 520, 565, 904, 1130, 1469, 2260, 2647, 2938, 4520, 5294, 5876, 7345, 10588, 11752, 13235, 14690, 21176, 26470, 29380, 34411, 52940, 58760, 68822, 105880, 137644, 172055, 275288, 299111, 344110, 598222, 688220, 1196444, 1376440, 1495555, 2392888, 2991110, 3888443, 5982220, 7776886, 11964440, 15553772, 19442215, 31107544, 38884430, 77768860, 155537720]

約数ペア:

[(1, 155537720), (2, 77768860), (4, 38884430), (5, 31107544), (8, 19442215), (10, 15553772), (13, 11964440), (20, 7776886), (26, 5982220), (40, 3888443), (52, 2991110), (65, 2392888), (104, 1495555), (113, 1376440), (130, 1196444), (226, 688220), (260, 598222), (452, 344110), (520, 299111), (565, 275288), (904, 172055), (1130, 137644), (1469, 105880), (2260, 68822), (2647, 58760), (2938, 52940), (4520, 34411), (5294, 29380), (5876, 26470), (7345, 21176), (10588, 14690), (11752, 13235)]