68137440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{2897}}^1$

素因数の和:2929

約数の個数: 144

約数和(自身を含む): 249761232

約数和(自身を除く): 181623792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2897, 2940, 3360, 3920, 4704, 5794, 5880, 7840, 8691, 11588, 11760, 14485, 17382, 20279, 23176, 23520, 28970, 34764, 40558, 43455, 46352, 57940, 60837, 69528, 81116, 86910, 92704, 101395, 115880, 121674, 139056, 141953, 162232, 173820, 202790, 231760, 243348, 278112, 283906, 304185, 324464, 347640, 405580, 425859, 463520, 486696, 567812, 608370, 648928, 695280, 709765, 811160, 851718, 973392, 1135624, 1216740, 1390560, 1419530, 1622320, 1703436, 1946784, 2129295, 2271248, 2433480, 2839060, 3244640, 3406872, 4258590, 4542496, 4866960, 5678120, 6813744, 8517180, 9733920, 11356240, 13627488, 17034360, 22712480, 34068720, 68137440]

約数ペア:

[(1, 68137440), (2, 34068720), (3, 22712480), (4, 17034360), (5, 13627488), (6, 11356240), (7, 9733920), (8, 8517180), (10, 6813744), (12, 5678120), (14, 4866960), (15, 4542496), (16, 4258590), (20, 3406872), (21, 3244640), (24, 2839060), (28, 2433480), (30, 2271248), (32, 2129295), (35, 1946784), (40, 1703436), (42, 1622320), (48, 1419530), (49, 1390560), (56, 1216740), (60, 1135624), (70, 973392), (80, 851718), (84, 811160), (96, 709765), (98, 695280), (105, 648928), (112, 608370), (120, 567812), (140, 486696), (147, 463520), (160, 425859), (168, 405580), (196, 347640), (210, 324464), (224, 304185), (240, 283906), (245, 278112), (280, 243348), (294, 231760), (336, 202790), (392, 173820), (420, 162232), (480, 141953), (490, 139056), (560, 121674), (588, 115880), (672, 101395), (735, 92704), (784, 86910), (840, 81116), (980, 69528), (1120, 60837), (1176, 57940), (1470, 46352), (1568, 43455), (1680, 40558), (1960, 34764), (2352, 28970), (2897, 23520), (2940, 23176), (3360, 20279), (3920, 17382), (4704, 14485), (5794, 11760), (5880, 11588), (7840, 8691)]