68289680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 169743600

約数和(自身を除く): 101453920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 337, 340, 596, 674, 680, 745, 1192, 1348, 1360, 1490, 1685, 2384, 2533, 2696, 2980, 3370, 5066, 5392, 5729, 5960, 6740, 10132, 11458, 11920, 12665, 13480, 20264, 22916, 25330, 26960, 28645, 40528, 45832, 50213, 50660, 57290, 91664, 100426, 101320, 114580, 200852, 202640, 229160, 251065, 401704, 458320, 502130, 803408, 853621, 1004260, 1707242, 2008520, 3414484, 4017040, 4268105, 6828968, 8536210, 13657936, 17072420, 34144840, 68289680]

約数ペア:

[(1, 68289680), (2, 34144840), (4, 17072420), (5, 13657936), (8, 8536210), (10, 6828968), (16, 4268105), (17, 4017040), (20, 3414484), (34, 2008520), (40, 1707242), (68, 1004260), (80, 853621), (85, 803408), (136, 502130), (149, 458320), (170, 401704), (272, 251065), (298, 229160), (337, 202640), (340, 200852), (596, 114580), (674, 101320), (680, 100426), (745, 91664), (1192, 57290), (1348, 50660), (1360, 50213), (1490, 45832), (1685, 40528), (2384, 28645), (2533, 26960), (2696, 25330), (2980, 22916), (3370, 20264), (5066, 13480), (5392, 12665), (5729, 11920), (5960, 11458), (6740, 10132)]