642021120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1472

約数の個数: 288

約数和(自身を含む): 2455252800

約数和(自身を除く): 1813231680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1280, 1404, 1429, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2304, 2340, 2496, 2808, 2858, 2880, 3120, 3328, 3456, 3510, 3744, 3840, 4160, 4287, 4320, 4680, 4992, 5616, 5716, 5760, 6240, 6912, 7020, 7145, 7488, 8320, 8574, 8640, 9360, 9984, 11232, 11432, 11520, 12480, 12861, 14040, 14290, 14976, 16640, 17148, 17280, 18577, 18720, 21435, 22464, 22864, 24960, 25722, 28080, 28580, 29952, 34296, 34560, 37154, 37440, 38583, 42870, 44928, 45728, 49920, 51444, 55731, 56160, 57160, 64305, 68592, 74308, 74880, 77166, 85740, 89856, 91456, 92885, 102888, 111462, 112320, 114320, 128610, 137184, 148616, 149760, 154332, 167193, 171480, 182912, 185770, 192915, 205776, 222924, 224640, 228640, 257220, 274368, 278655, 297232, 308664, 334386, 342960, 365824, 371540, 385830, 411552, 445848, 449280, 457280, 501579, 514440, 548736, 557310, 594464, 617328, 668772, 685920, 743080, 771660, 823104, 835965, 891696, 914560, 1003158, 1028880, 1097472, 1114620, 1188928, 1234656, 1337544, 1371840, 1486160, 1543320, 1646208, 1671930, 1783392, 1829120, 2006316, 2057760, 2229240, 2377856, 2469312, 2507895, 2675088, 2743680, 2972320, 3086640, 3292416, 3343860, 3566784, 4012632, 4115520, 4458480, 4755712, 4938624, 5015790, 5350176, 5487360, 5944640, 6173280, 6687720, 7133568, 8025264, 8231040, 8916960, 9877248, 10031580, 10700352, 11889280, 12346560, 13375440, 14267136, 16050528, 16462080, 17833920, 20063160, 21400704, 23778560, 24693120, 26750880, 32101056, 35667840, 40126320, 42801408, 49386240, 53501760, 64202112, 71335680, 80252640, 107003520, 128404224, 160505280, 214007040, 321010560, 642021120]

約数ペア:

[(1, 642021120), (2, 321010560), (3, 214007040), (4, 160505280), (5, 128404224), (6, 107003520), (8, 80252640), (9, 71335680), (10, 64202112), (12, 53501760), (13, 49386240), (15, 42801408), (16, 40126320), (18, 35667840), (20, 32101056), (24, 26750880), (26, 24693120), (27, 23778560), (30, 21400704), (32, 20063160), (36, 17833920), (39, 16462080), (40, 16050528), (45, 14267136), (48, 13375440), (52, 12346560), (54, 11889280), (60, 10700352), (64, 10031580), (65, 9877248), (72, 8916960), (78, 8231040), (80, 8025264), (90, 7133568), (96, 6687720), (104, 6173280), (108, 5944640), (117, 5487360), (120, 5350176), (128, 5015790), (130, 4938624), (135, 4755712), (144, 4458480), (156, 4115520), (160, 4012632), (180, 3566784), (192, 3343860), (195, 3292416), (208, 3086640), (216, 2972320), (234, 2743680), (240, 2675088), (256, 2507895), (260, 2469312), (270, 2377856), (288, 2229240), (312, 2057760), (320, 2006316), (351, 1829120), (360, 1783392), (384, 1671930), (390, 1646208), (416, 1543320), (432, 1486160), (468, 1371840), (480, 1337544), (520, 1234656), (540, 1188928), (576, 1114620), (585, 1097472), (624, 1028880), (640, 1003158), (702, 914560), (720, 891696), (768, 835965), (780, 823104), (832, 771660), (864, 743080), (936, 685920), (960, 668772), (1040, 617328), (1080, 594464), (1152, 557310), (1170, 548736), (1248, 514440), (1280, 501579), (1404, 457280), (1429, 449280), (1440, 445848), (1560, 411552), (1664, 385830), (1728, 371540), (1755, 365824), (1872, 342960), (1920, 334386), (2080, 308664), (2160, 297232), (2304, 278655), (2340, 274368), (2496, 257220), (2808, 228640), (2858, 224640), (2880, 222924), (3120, 205776), (3328, 192915), (3456, 185770), (3510, 182912), (3744, 171480), (3840, 167193), (4160, 154332), (4287, 149760), (4320, 148616), (4680, 137184), (4992, 128610), (5616, 114320), (5716, 112320), (5760, 111462), (6240, 102888), (6912, 92885), (7020, 91456), (7145, 89856), (7488, 85740), (8320, 77166), (8574, 74880), (8640, 74308), (9360, 68592), (9984, 64305), (11232, 57160), (11432, 56160), (11520, 55731), (12480, 51444), (12861, 49920), (14040, 45728), (14290, 44928), (14976, 42870), (16640, 38583), (17148, 37440), (17280, 37154), (18577, 34560), (18720, 34296), (21435, 29952), (22464, 28580), (22864, 28080), (24960, 25722)]