257780880

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{5683}}^1$

素因数の和:5715

約数の個数: 200

約数和(自身を含む): 1023392832

約数和(自身を除く): 765611952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5670, 5683, 6480, 7560, 9072, 11340, 11366, 15120, 17049, 22680, 22732, 28415, 34098, 39781, 45360, 45464, 51147, 56830, 68196, 79562, 85245, 90928, 102294, 113660, 119343, 136392, 153441, 159124, 170490, 198905, 204588, 227320, 238686, 255735, 272784, 306882, 318248, 340980, 358029, 397810, 409176, 454640, 460323, 477372, 511470, 596715, 613764, 636496, 681960, 716058, 767205, 795620, 818352, 920646, 954744, 1022940, 1074087, 1193430, 1227528, 1363920, 1432116, 1534410, 1591240, 1790145, 1841292, 1909488, 2045880, 2148174, 2301615, 2386860, 2455056, 2864232, 3068820, 3182480, 3222261, 3580290, 3682584, 4091760, 4296348, 4603230, 4773720, 5370435, 5728464, 6137640, 6444522, 7160580, 7365168, 8592696, 9206460, 9547440, 10740870, 12275280, 12889044, 14321160, 16111305, 17185392, 18412920, 21481740, 25778088, 28642320, 32222610, 36825840, 42963480, 51556176, 64445220, 85926960, 128890440, 257780880]

約数ペア:

[(1, 257780880), (2, 128890440), (3, 85926960), (4, 64445220), (5, 51556176), (6, 42963480), (7, 36825840), (8, 32222610), (9, 28642320), (10, 25778088), (12, 21481740), (14, 18412920), (15, 17185392), (16, 16111305), (18, 14321160), (20, 12889044), (21, 12275280), (24, 10740870), (27, 9547440), (28, 9206460), (30, 8592696), (35, 7365168), (36, 7160580), (40, 6444522), (42, 6137640), (45, 5728464), (48, 5370435), (54, 4773720), (56, 4603230), (60, 4296348), (63, 4091760), (70, 3682584), (72, 3580290), (80, 3222261), (81, 3182480), (84, 3068820), (90, 2864232), (105, 2455056), (108, 2386860), (112, 2301615), (120, 2148174), (126, 2045880), (135, 1909488), (140, 1841292), (144, 1790145), (162, 1591240), (168, 1534410), (180, 1432116), (189, 1363920), (210, 1227528), (216, 1193430), (240, 1074087), (252, 1022940), (270, 954744), (280, 920646), (315, 818352), (324, 795620), (336, 767205), (360, 716058), (378, 681960), (405, 636496), (420, 613764), (432, 596715), (504, 511470), (540, 477372), (560, 460323), (567, 454640), (630, 409176), (648, 397810), (720, 358029), (756, 340980), (810, 318248), (840, 306882), (945, 272784), (1008, 255735), (1080, 238686), (1134, 227320), (1260, 204588), (1296, 198905), (1512, 170490), (1620, 159124), (1680, 153441), (1890, 136392), (2160, 119343), (2268, 113660), (2520, 102294), (2835, 90928), (3024, 85245), (3240, 79562), (3780, 68196), (4536, 56830), (5040, 51147), (5670, 45464), (5683, 45360), (6480, 39781), (7560, 34098), (9072, 28415), (11340, 22732), (11366, 22680), (15120, 17049)]