127682960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 305337600

約数和(自身を除く): 177654640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 158, 178, 227, 316, 356, 395, 445, 454, 632, 712, 790, 890, 908, 1135, 1264, 1424, 1580, 1780, 1816, 2270, 3160, 3560, 3632, 4540, 6320, 7031, 7120, 9080, 14062, 17933, 18160, 20203, 28124, 35155, 35866, 40406, 56248, 70310, 71732, 80812, 89665, 101015, 112496, 140620, 143464, 161624, 179330, 202030, 281240, 286928, 323248, 358660, 404060, 562480, 717320, 808120, 1434640, 1596037, 1616240, 3192074, 6384148, 7980185, 12768296, 15960370, 25536592, 31920740, 63841480, 127682960]

約数ペア:

[(1, 127682960), (2, 63841480), (4, 31920740), (5, 25536592), (8, 15960370), (10, 12768296), (16, 7980185), (20, 6384148), (40, 3192074), (79, 1616240), (80, 1596037), (89, 1434640), (158, 808120), (178, 717320), (227, 562480), (316, 404060), (356, 358660), (395, 323248), (445, 286928), (454, 281240), (632, 202030), (712, 179330), (790, 161624), (890, 143464), (908, 140620), (1135, 112496), (1264, 101015), (1424, 89665), (1580, 80812), (1780, 71732), (1816, 70310), (2270, 56248), (3160, 40406), (3560, 35866), (3632, 35155), (4540, 28124), (6320, 20203), (7031, 18160), (7120, 17933), (9080, 14062)]