78712380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 183105540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 887, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1774, 1972, 2465, 2610, 2661, 2958, 3060, 3548, 4435, 4437, 4930, 5220, 5322, 5916, 7395, 7983, 8870, 8874, 9860, 10644, 13305, 14790, 15079, 15966, 17740, 17748, 22185, 25723, 26610, 29580, 30158, 31932, 39915, 44370, 45237, 51446, 53220, 60316, 75395, 77169, 79830, 88740, 90474, 102892, 128615, 135711, 150790, 154338, 159660, 180948, 226185, 231507, 257230, 271422, 301580, 308676, 385845, 437291, 452370, 463014, 514460, 542844, 678555, 771690, 874582, 904740, 926028, 1157535, 1311873, 1357110, 1543380, 1749164, 2186455, 2315070, 2623746, 2714220, 3935619, 4372910, 4630140, 5247492, 6559365, 7871238, 8745820, 13118730, 15742476, 19678095, 26237460, 39356190, 78712380]

約数ペア:

[(1, 78712380), (2, 39356190), (3, 26237460), (4, 19678095), (5, 15742476), (6, 13118730), (9, 8745820), (10, 7871238), (12, 6559365), (15, 5247492), (17, 4630140), (18, 4372910), (20, 3935619), (29, 2714220), (30, 2623746), (34, 2315070), (36, 2186455), (45, 1749164), (51, 1543380), (58, 1357110), (60, 1311873), (68, 1157535), (85, 926028), (87, 904740), (90, 874582), (102, 771690), (116, 678555), (145, 542844), (153, 514460), (170, 463014), (174, 452370), (180, 437291), (204, 385845), (255, 308676), (261, 301580), (290, 271422), (306, 257230), (340, 231507), (348, 226185), (435, 180948), (493, 159660), (510, 154338), (522, 150790), (580, 135711), (612, 128615), (765, 102892), (870, 90474), (887, 88740), (986, 79830), (1020, 77169), (1044, 75395), (1305, 60316), (1479, 53220), (1530, 51446), (1740, 45237), (1774, 44370), (1972, 39915), (2465, 31932), (2610, 30158), (2661, 29580), (2958, 26610), (3060, 25723), (3548, 22185), (4435, 17748), (4437, 17740), (4930, 15966), (5220, 15079), (5322, 14790), (5916, 13305), (7395, 10644), (7983, 9860), (8870, 8874)]