68282820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 218050560

約数和(自身を除く): 149767740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 103, 116, 127, 145, 174, 180, 206, 254, 261, 290, 309, 348, 381, 412, 435, 508, 515, 522, 580, 618, 635, 762, 870, 927, 1030, 1044, 1143, 1236, 1270, 1305, 1524, 1545, 1740, 1854, 1905, 2060, 2286, 2540, 2610, 2987, 3090, 3683, 3708, 3810, 4572, 4635, 5220, 5715, 5974, 6180, 7366, 7620, 8961, 9270, 11049, 11430, 11948, 13081, 14732, 14935, 17922, 18415, 18540, 22098, 22860, 26162, 26883, 29870, 33147, 35844, 36830, 39243, 44196, 44805, 52324, 53766, 55245, 59740, 65405, 66294, 73660, 78486, 89610, 107532, 110490, 117729, 130810, 132588, 134415, 156972, 165735, 179220, 196215, 220980, 235458, 261620, 268830, 331470, 379349, 392430, 470916, 537660, 588645, 662940, 758698, 784860, 1138047, 1177290, 1517396, 1896745, 2276094, 2354580, 3414141, 3793490, 4552188, 5690235, 6828282, 7586980, 11380470, 13656564, 17070705, 22760940, 34141410, 68282820]

約数ペア:

[(1, 68282820), (2, 34141410), (3, 22760940), (4, 17070705), (5, 13656564), (6, 11380470), (9, 7586980), (10, 6828282), (12, 5690235), (15, 4552188), (18, 3793490), (20, 3414141), (29, 2354580), (30, 2276094), (36, 1896745), (45, 1517396), (58, 1177290), (60, 1138047), (87, 784860), (90, 758698), (103, 662940), (116, 588645), (127, 537660), (145, 470916), (174, 392430), (180, 379349), (206, 331470), (254, 268830), (261, 261620), (290, 235458), (309, 220980), (348, 196215), (381, 179220), (412, 165735), (435, 156972), (508, 134415), (515, 132588), (522, 130810), (580, 117729), (618, 110490), (635, 107532), (762, 89610), (870, 78486), (927, 73660), (1030, 66294), (1044, 65405), (1143, 59740), (1236, 55245), (1270, 53766), (1305, 52324), (1524, 44805), (1545, 44196), (1740, 39243), (1854, 36830), (1905, 35844), (2060, 33147), (2286, 29870), (2540, 26883), (2610, 26162), (2987, 22860), (3090, 22098), (3683, 18540), (3708, 18415), (3810, 17922), (4572, 14935), (4635, 14732), (5220, 13081), (5715, 11948), (5974, 11430), (6180, 11049), (7366, 9270), (7620, 8961)]