80961760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 210706272

約数和(自身を除く): 129744512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 157, 160, 176, 220, 293, 314, 352, 440, 586, 628, 785, 880, 1172, 1256, 1465, 1570, 1727, 1760, 2344, 2512, 2930, 3140, 3223, 3454, 4688, 5024, 5860, 6280, 6446, 6908, 8635, 9376, 11720, 12560, 12892, 13816, 16115, 17270, 23440, 25120, 25784, 27632, 32230, 34540, 46001, 46880, 51568, 55264, 64460, 69080, 92002, 103136, 128920, 138160, 184004, 230005, 257840, 276320, 368008, 460010, 506011, 515680, 736016, 920020, 1012022, 1472032, 1840040, 2024044, 2530055, 3680080, 4048088, 5060110, 7360160, 8096176, 10120220, 16192352, 20240440, 40480880, 80961760]

約数ペア:

[(1, 80961760), (2, 40480880), (4, 20240440), (5, 16192352), (8, 10120220), (10, 8096176), (11, 7360160), (16, 5060110), (20, 4048088), (22, 3680080), (32, 2530055), (40, 2024044), (44, 1840040), (55, 1472032), (80, 1012022), (88, 920020), (110, 736016), (157, 515680), (160, 506011), (176, 460010), (220, 368008), (293, 276320), (314, 257840), (352, 230005), (440, 184004), (586, 138160), (628, 128920), (785, 103136), (880, 92002), (1172, 69080), (1256, 64460), (1465, 55264), (1570, 51568), (1727, 46880), (1760, 46001), (2344, 34540), (2512, 32230), (2930, 27632), (3140, 25784), (3223, 25120), (3454, 23440), (4688, 17270), (5024, 16115), (5860, 13816), (6280, 12892), (6446, 12560), (6908, 11720), (8635, 9376)]