168678860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 418037760

約数和(自身を除く): 249358900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 127, 140, 179, 212, 254, 265, 358, 371, 508, 530, 635, 716, 742, 889, 895, 1060, 1253, 1270, 1484, 1778, 1790, 1855, 2506, 2540, 3556, 3580, 3710, 4445, 5012, 6265, 6731, 7420, 8890, 9487, 12530, 13462, 17780, 18974, 22733, 25060, 26924, 33655, 37948, 45466, 47117, 47435, 66409, 67310, 90932, 94234, 94870, 113665, 132818, 134620, 159131, 188468, 189740, 227330, 235585, 265636, 318262, 332045, 454660, 471170, 636524, 664090, 795655, 942340, 1204849, 1328180, 1591310, 2409698, 3182620, 4819396, 6024245, 8433943, 12048490, 16867886, 24096980, 33735772, 42169715, 84339430, 168678860]

約数ペア:

[(1, 168678860), (2, 84339430), (4, 42169715), (5, 33735772), (7, 24096980), (10, 16867886), (14, 12048490), (20, 8433943), (28, 6024245), (35, 4819396), (53, 3182620), (70, 2409698), (106, 1591310), (127, 1328180), (140, 1204849), (179, 942340), (212, 795655), (254, 664090), (265, 636524), (358, 471170), (371, 454660), (508, 332045), (530, 318262), (635, 265636), (716, 235585), (742, 227330), (889, 189740), (895, 188468), (1060, 159131), (1253, 134620), (1270, 132818), (1484, 113665), (1778, 94870), (1790, 94234), (1855, 90932), (2506, 67310), (2540, 66409), (3556, 47435), (3580, 47117), (3710, 45466), (4445, 37948), (5012, 33655), (6265, 26924), (6731, 25060), (7420, 22733), (8890, 18974), (9487, 17780), (12530, 13462)]