1278811260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:817

約数の個数: 192

約数和(自身を含む): 4154572800

約数和(自身を除く): 2875761540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 127, 135, 145, 174, 180, 254, 261, 270, 290, 348, 381, 435, 508, 522, 540, 580, 635, 643, 762, 783, 870, 1044, 1143, 1270, 1286, 1305, 1524, 1566, 1740, 1905, 1929, 2286, 2540, 2572, 2610, 3132, 3215, 3429, 3683, 3810, 3858, 3915, 4572, 5220, 5715, 5787, 6430, 6858, 7366, 7620, 7716, 7830, 9645, 11049, 11430, 11574, 12860, 13716, 14732, 15660, 17145, 17361, 18415, 18647, 19290, 22098, 22860, 23148, 28935, 33147, 34290, 34722, 36830, 37294, 38580, 44196, 55245, 55941, 57870, 66294, 68580, 69444, 73660, 74588, 81661, 86805, 93235, 99441, 110490, 111882, 115740, 132588, 163322, 165735, 167823, 173610, 186470, 198882, 220980, 223764, 244983, 279705, 326644, 331470, 335646, 347220, 372940, 397764, 408305, 489966, 497205, 503469, 559410, 662940, 671292, 734949, 816610, 839115, 979932, 994410, 1006938, 1118820, 1224915, 1469898, 1633220, 1678230, 1988820, 2013876, 2204847, 2368169, 2449830, 2517345, 2939796, 3356460, 3674745, 4409694, 4736338, 4899660, 5034690, 7104507, 7349490, 8819388, 9472676, 10069380, 11024235, 11840845, 14209014, 14698980, 21313521, 22048470, 23681690, 28418028, 35522535, 42627042, 44096940, 47363380, 63940563, 71045070, 85254084, 106567605, 127881126, 142090140, 213135210, 255762252, 319702815, 426270420, 639405630, 1278811260]

約数ペア:

[(1, 1278811260), (2, 639405630), (3, 426270420), (4, 319702815), (5, 255762252), (6, 213135210), (9, 142090140), (10, 127881126), (12, 106567605), (15, 85254084), (18, 71045070), (20, 63940563), (27, 47363380), (29, 44096940), (30, 42627042), (36, 35522535), (45, 28418028), (54, 23681690), (58, 22048470), (60, 21313521), (87, 14698980), (90, 14209014), (108, 11840845), (116, 11024235), (127, 10069380), (135, 9472676), (145, 8819388), (174, 7349490), (180, 7104507), (254, 5034690), (261, 4899660), (270, 4736338), (290, 4409694), (348, 3674745), (381, 3356460), (435, 2939796), (508, 2517345), (522, 2449830), (540, 2368169), (580, 2204847), (635, 2013876), (643, 1988820), (762, 1678230), (783, 1633220), (870, 1469898), (1044, 1224915), (1143, 1118820), (1270, 1006938), (1286, 994410), (1305, 979932), (1524, 839115), (1566, 816610), (1740, 734949), (1905, 671292), (1929, 662940), (2286, 559410), (2540, 503469), (2572, 497205), (2610, 489966), (3132, 408305), (3215, 397764), (3429, 372940), (3683, 347220), (3810, 335646), (3858, 331470), (3915, 326644), (4572, 279705), (5220, 244983), (5715, 223764), (5787, 220980), (6430, 198882), (6858, 186470), (7366, 173610), (7620, 167823), (7716, 165735), (7830, 163322), (9645, 132588), (11049, 115740), (11430, 111882), (11574, 110490), (12860, 99441), (13716, 93235), (14732, 86805), (15660, 81661), (17145, 74588), (17361, 73660), (18415, 69444), (18647, 68580), (19290, 66294), (22098, 57870), (22860, 55941), (23148, 55245), (28935, 44196), (33147, 38580), (34290, 37294), (34722, 36830)]