68081480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 158865840

約数和(自身を除く): 90784360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 293, 296, 314, 370, 586, 628, 740, 785, 1172, 1256, 1465, 1480, 1570, 2344, 2930, 3140, 5809, 5860, 6280, 10841, 11618, 11720, 21682, 23236, 29045, 43364, 46001, 46472, 54205, 58090, 86728, 92002, 108410, 116180, 184004, 216820, 230005, 232360, 368008, 433640, 460010, 920020, 1702037, 1840040, 3404074, 6808148, 8510185, 13616296, 17020370, 34040740, 68081480]

約数ペア:

[(1, 68081480), (2, 34040740), (4, 17020370), (5, 13616296), (8, 8510185), (10, 6808148), (20, 3404074), (37, 1840040), (40, 1702037), (74, 920020), (148, 460010), (157, 433640), (185, 368008), (293, 232360), (296, 230005), (314, 216820), (370, 184004), (586, 116180), (628, 108410), (740, 92002), (785, 86728), (1172, 58090), (1256, 54205), (1465, 46472), (1480, 46001), (1570, 43364), (2344, 29045), (2930, 23236), (3140, 21682), (5809, 11720), (5860, 11618), (6280, 10841)]