28663020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 100573200

約数和(自身を除く): 71910180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 29, 30, 34, 36, 38, 45, 51, 57, 58, 60, 68, 76, 85, 87, 90, 95, 102, 114, 116, 145, 153, 170, 171, 174, 180, 190, 204, 228, 255, 261, 285, 289, 290, 306, 323, 340, 342, 348, 380, 435, 493, 510, 522, 551, 570, 578, 580, 612, 646, 684, 765, 855, 867, 870, 969, 986, 1020, 1044, 1102, 1140, 1156, 1292, 1305, 1445, 1479, 1530, 1615, 1653, 1710, 1734, 1740, 1938, 1972, 2204, 2465, 2601, 2610, 2755, 2890, 2907, 2958, 3060, 3230, 3306, 3420, 3468, 3876, 4335, 4437, 4845, 4930, 4959, 5202, 5220, 5491, 5510, 5780, 5814, 5916, 6460, 6612, 7395, 8265, 8381, 8670, 8874, 9367, 9690, 9860, 9918, 10404, 10982, 11020, 11628, 13005, 14535, 14790, 16473, 16530, 16762, 17340, 17748, 18734, 19380, 19836, 21964, 22185, 24795, 25143, 26010, 27455, 28101, 29070, 29580, 32946, 33060, 33524, 37468, 41905, 44370, 46835, 49419, 49590, 50286, 52020, 54910, 56202, 58140, 65892, 75429, 82365, 83810, 84303, 88740, 93670, 98838, 99180, 100572, 109820, 112404, 125715, 140505, 150858, 159239, 164730, 167620, 168606, 187340, 197676, 247095, 251430, 281010, 301716, 318478, 329460, 337212, 377145, 421515, 477717, 494190, 502860, 562020, 636956, 754290, 796195, 843030, 955434, 988380, 1433151, 1508580, 1592390, 1686060, 1910868, 2388585, 2866302, 3184780, 4777170, 5732604, 7165755, 9554340, 14331510, 28663020]

約数ペア:

[(1, 28663020), (2, 14331510), (3, 9554340), (4, 7165755), (5, 5732604), (6, 4777170), (9, 3184780), (10, 2866302), (12, 2388585), (15, 1910868), (17, 1686060), (18, 1592390), (19, 1508580), (20, 1433151), (29, 988380), (30, 955434), (34, 843030), (36, 796195), (38, 754290), (45, 636956), (51, 562020), (57, 502860), (58, 494190), (60, 477717), (68, 421515), (76, 377145), (85, 337212), (87, 329460), (90, 318478), (95, 301716), (102, 281010), (114, 251430), (116, 247095), (145, 197676), (153, 187340), (170, 168606), (171, 167620), (174, 164730), (180, 159239), (190, 150858), (204, 140505), (228, 125715), (255, 112404), (261, 109820), (285, 100572), (289, 99180), (290, 98838), (306, 93670), (323, 88740), (340, 84303), (342, 83810), (348, 82365), (380, 75429), (435, 65892), (493, 58140), (510, 56202), (522, 54910), (551, 52020), (570, 50286), (578, 49590), (580, 49419), (612, 46835), (646, 44370), (684, 41905), (765, 37468), (855, 33524), (867, 33060), (870, 32946), (969, 29580), (986, 29070), (1020, 28101), (1044, 27455), (1102, 26010), (1140, 25143), (1156, 24795), (1292, 22185), (1305, 21964), (1445, 19836), (1479, 19380), (1530, 18734), (1615, 17748), (1653, 17340), (1710, 16762), (1734, 16530), (1740, 16473), (1938, 14790), (1972, 14535), (2204, 13005), (2465, 11628), (2601, 11020), (2610, 10982), (2755, 10404), (2890, 9918), (2907, 9860), (2958, 9690), (3060, 9367), (3230, 8874), (3306, 8670), (3420, 8381), (3468, 8265), (3876, 7395), (4335, 6612), (4437, 6460), (4845, 5916), (4930, 5814), (4959, 5780), (5202, 5510), (5220, 5491)]