71320235440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{66337}}^1$

素因数の和:66590

約数の個数: 80

約数和(自身を含む): 168795714240

約数和(自身を除く): 97475478800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 151, 178, 302, 356, 445, 604, 712, 755, 890, 1208, 1424, 1510, 1780, 2416, 3020, 3560, 6040, 7120, 12080, 13439, 26878, 53756, 66337, 67195, 107512, 132674, 134390, 215024, 265348, 268780, 331685, 530696, 537560, 663370, 1061392, 1075120, 1326740, 2653480, 5306960, 5903993, 10016887, 11807986, 20033774, 23615972, 29519965, 40067548, 47231944, 50084435, 59039930, 80135096, 94463888, 100168870, 118079860, 160270192, 200337740, 236159720, 400675480, 472319440, 801350960, 891502943, 1783005886, 3566011772, 4457514715, 7132023544, 8915029430, 14264047088, 17830058860, 35660117720, 71320235440]

約数ペア:

[(1, 71320235440), (2, 35660117720), (4, 17830058860), (5, 14264047088), (8, 8915029430), (10, 7132023544), (16, 4457514715), (20, 3566011772), (40, 1783005886), (80, 891502943), (89, 801350960), (151, 472319440), (178, 400675480), (302, 236159720), (356, 200337740), (445, 160270192), (604, 118079860), (712, 100168870), (755, 94463888), (890, 80135096), (1208, 59039930), (1424, 50084435), (1510, 47231944), (1780, 40067548), (2416, 29519965), (3020, 23615972), (3560, 20033774), (6040, 11807986), (7120, 10016887), (12080, 5903993), (13439, 5306960), (26878, 2653480), (53756, 1326740), (66337, 1075120), (67195, 1061392), (107512, 663370), (132674, 537560), (134390, 530696), (215024, 331685), (265348, 268780)]