72240740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 188153280

約数和(自身を除く): 115912540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 67, 110, 116, 130, 134, 143, 145, 169, 220, 260, 268, 286, 290, 319, 335, 338, 377, 572, 580, 638, 670, 676, 715, 737, 754, 845, 871, 1276, 1340, 1430, 1474, 1508, 1595, 1690, 1742, 1859, 1885, 1943, 2860, 2948, 3190, 3380, 3484, 3685, 3718, 3770, 3886, 4147, 4355, 4901, 6380, 7370, 7436, 7540, 7772, 8294, 8710, 9295, 9581, 9715, 9802, 11323, 14740, 16588, 17420, 18590, 19162, 19430, 19604, 20735, 21373, 22646, 24505, 25259, 37180, 38324, 38860, 41470, 42746, 45292, 47905, 49010, 50518, 53911, 56615, 82940, 85492, 95810, 98020, 101036, 106865, 107822, 113230, 124553, 126295, 191620, 213730, 215644, 226460, 249106, 252590, 269555, 277849, 328367, 427460, 498212, 505180, 539110, 555698, 622765, 656734, 1078220, 1111396, 1245530, 1313468, 1389245, 1641835, 2491060, 2778490, 3283670, 3612037, 5556980, 6567340, 7224074, 14448148, 18060185, 36120370, 72240740]

約数ペア:

[(1, 72240740), (2, 36120370), (4, 18060185), (5, 14448148), (10, 7224074), (11, 6567340), (13, 5556980), (20, 3612037), (22, 3283670), (26, 2778490), (29, 2491060), (44, 1641835), (52, 1389245), (55, 1313468), (58, 1245530), (65, 1111396), (67, 1078220), (110, 656734), (116, 622765), (130, 555698), (134, 539110), (143, 505180), (145, 498212), (169, 427460), (220, 328367), (260, 277849), (268, 269555), (286, 252590), (290, 249106), (319, 226460), (335, 215644), (338, 213730), (377, 191620), (572, 126295), (580, 124553), (638, 113230), (670, 107822), (676, 106865), (715, 101036), (737, 98020), (754, 95810), (845, 85492), (871, 82940), (1276, 56615), (1340, 53911), (1430, 50518), (1474, 49010), (1508, 47905), (1595, 45292), (1690, 42746), (1742, 41470), (1859, 38860), (1885, 38324), (1943, 37180), (2860, 25259), (2948, 24505), (3190, 22646), (3380, 21373), (3484, 20735), (3685, 19604), (3718, 19430), (3770, 19162), (3886, 18590), (4147, 17420), (4355, 16588), (4901, 14740), (6380, 11323), (7370, 9802), (7436, 9715), (7540, 9581), (7772, 9295), (8294, 8710)]