28657262880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{5717}}^1$

素因数の和:5856

約数の個数: 216

約数和(自身を含む): 99495910332

約数和(自身を除く): 70838647452

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3481, 3540, 4248, 4720, 5310, 5664, 5717, 6962, 7080, 8496, 9440, 10443, 10620, 11434, 13924, 14160, 16992, 17151, 17405, 20886, 21240, 22868, 27848, 28320, 28585, 31329, 34302, 34810, 41772, 42480, 45736, 51453, 52215, 55696, 57170, 62658, 68604, 69620, 83544, 84960, 85755, 91472, 102906, 104430, 111392, 114340, 125316, 137208, 139240, 156645, 167088, 171510, 182944, 205812, 208860, 228680, 250632, 257265, 274416, 278480, 313290, 334176, 337303, 343020, 411624, 417720, 457360, 501264, 514530, 548832, 556960, 626580, 674606, 686040, 823248, 835440, 914720, 1002528, 1011909, 1029060, 1253160, 1349212, 1372080, 1646496, 1670880, 1686515, 2023818, 2058120, 2506320, 2698424, 2744160, 3035727, 3373030, 4047636, 4116240, 5012640, 5059545, 5396848, 6071454, 6746060, 8095272, 8232480, 10119090, 10793696, 12142908, 13492120, 15178635, 16190544, 19900877, 20238180, 24285816, 26984240, 30357270, 32381088, 39801754, 40476360, 48571632, 53968480, 59702631, 60714540, 79603508, 80952720, 97143264, 99504385, 119405262, 121429080, 159207016, 161905440, 179107893, 199008770, 238810524, 242858160, 298513155, 318414032, 358215786, 398017540, 477621048, 485716320, 597026310, 636828064, 716431572, 796035080, 895539465, 955242096, 1194052620, 1432863144, 1592070160, 1791078930, 1910484192, 2388105240, 2865726288, 3184140320, 3582157860, 4776210480, 5731452576, 7164315720, 9552420960, 14328631440, 28657262880]

約数ペア:

[(1, 28657262880), (2, 14328631440), (3, 9552420960), (4, 7164315720), (5, 5731452576), (6, 4776210480), (8, 3582157860), (9, 3184140320), (10, 2865726288), (12, 2388105240), (15, 1910484192), (16, 1791078930), (18, 1592070160), (20, 1432863144), (24, 1194052620), (30, 955242096), (32, 895539465), (36, 796035080), (40, 716431572), (45, 636828064), (48, 597026310), (59, 485716320), (60, 477621048), (72, 398017540), (80, 358215786), (90, 318414032), (96, 298513155), (118, 242858160), (120, 238810524), (144, 199008770), (160, 179107893), (177, 161905440), (180, 159207016), (236, 121429080), (240, 119405262), (288, 99504385), (295, 97143264), (354, 80952720), (360, 79603508), (472, 60714540), (480, 59702631), (531, 53968480), (590, 48571632), (708, 40476360), (720, 39801754), (885, 32381088), (944, 30357270), (1062, 26984240), (1180, 24285816), (1416, 20238180), (1440, 19900877), (1770, 16190544), (1888, 15178635), (2124, 13492120), (2360, 12142908), (2655, 10793696), (2832, 10119090), (3481, 8232480), (3540, 8095272), (4248, 6746060), (4720, 6071454), (5310, 5396848), (5664, 5059545), (5717, 5012640), (6962, 4116240), (7080, 4047636), (8496, 3373030), (9440, 3035727), (10443, 2744160), (10620, 2698424), (11434, 2506320), (13924, 2058120), (14160, 2023818), (16992, 1686515), (17151, 1670880), (17405, 1646496), (20886, 1372080), (21240, 1349212), (22868, 1253160), (27848, 1029060), (28320, 1011909), (28585, 1002528), (31329, 914720), (34302, 835440), (34810, 823248), (41772, 686040), (42480, 674606), (45736, 626580), (51453, 556960), (52215, 548832), (55696, 514530), (57170, 501264), (62658, 457360), (68604, 417720), (69620, 411624), (83544, 343020), (84960, 337303), (85755, 334176), (91472, 313290), (102906, 278480), (104430, 274416), (111392, 257265), (114340, 250632), (125316, 228680), (137208, 208860), (139240, 205812), (156645, 182944), (167088, 171510)]