21279575520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{68099}}^1$

素因数の和:68158

約数の個数: 288

約数和(自身を含む): 85668710400

約数和(自身を除く): 64389134880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 62496, 68099, 78120, 104160, 136198, 156240, 204297, 272396, 312480, 340495, 408594, 476693, 544792, 612891, 680990, 817188, 953386, 1021485, 1089584, 1225782, 1361980, 1430079, 1634376, 1906772, 2042970, 2111069, 2179168, 2383465, 2451564, 2723960, 2860158, 3064455, 3268752, 3813544, 4085940, 4222138, 4290237, 4766930, 4903128, 5447920, 5720316, 6128910, 6333207, 6537504, 7150395, 7627088, 8171880, 8444276, 8580474, 9533860, 9806256, 10555345, 10895840, 11440632, 12257820, 12666414, 14300790, 14777483, 15254176, 16343760, 16888552, 17160948, 18999621, 19067720, 19612512, 21110690, 21451185, 22881264, 24515640, 25332828, 28601580, 29554966, 31666035, 32687520, 33777104, 34321896, 37999242, 38135440, 42221380, 42902370, 44332449, 45762528, 49031280, 50665656, 57203160, 59109932, 63332070, 67554208, 68643792, 73887415, 75998484, 76270880, 84442760, 85804740, 88664898, 94998105, 98062560, 101331312, 114406320, 118219864, 126664140, 132997347, 137287584, 147774830, 151996968, 168885520, 171609480, 177329796, 189996210, 202662624, 221662245, 228812640, 236439728, 253328280, 265994694, 295549660, 303993936, 337771040, 343218960, 354659592, 379992420, 443324490, 472879456, 506656560, 531989388, 591099320, 607987872, 664986735, 686437920, 709319184, 759984840, 886648980, 1013313120, 1063978776, 1182198640, 1329973470, 1418638368, 1519969680, 1773297960, 2127957552, 2364397280, 2659946940, 3039939360, 3546595920, 4255915104, 5319893880, 7093191840, 10639787760, 21279575520]

約数ペア:

[(1, 21279575520), (2, 10639787760), (3, 7093191840), (4, 5319893880), (5, 4255915104), (6, 3546595920), (7, 3039939360), (8, 2659946940), (9, 2364397280), (10, 2127957552), (12, 1773297960), (14, 1519969680), (15, 1418638368), (16, 1329973470), (18, 1182198640), (20, 1063978776), (21, 1013313120), (24, 886648980), (28, 759984840), (30, 709319184), (31, 686437920), (32, 664986735), (35, 607987872), (36, 591099320), (40, 531989388), (42, 506656560), (45, 472879456), (48, 443324490), (56, 379992420), (60, 354659592), (62, 343218960), (63, 337771040), (70, 303993936), (72, 295549660), (80, 265994694), (84, 253328280), (90, 236439728), (93, 228812640), (96, 221662245), (105, 202662624), (112, 189996210), (120, 177329796), (124, 171609480), (126, 168885520), (140, 151996968), (144, 147774830), (155, 137287584), (160, 132997347), (168, 126664140), (180, 118219864), (186, 114406320), (210, 101331312), (217, 98062560), (224, 94998105), (240, 88664898), (248, 85804740), (252, 84442760), (279, 76270880), (280, 75998484), (288, 73887415), (310, 68643792), (315, 67554208), (336, 63332070), (360, 59109932), (372, 57203160), (420, 50665656), (434, 49031280), (465, 45762528), (480, 44332449), (496, 42902370), (504, 42221380), (558, 38135440), (560, 37999242), (620, 34321896), (630, 33777104), (651, 32687520), (672, 31666035), (720, 29554966), (744, 28601580), (840, 25332828), (868, 24515640), (930, 22881264), (992, 21451185), (1008, 21110690), (1085, 19612512), (1116, 19067720), (1120, 18999621), (1240, 17160948), (1260, 16888552), (1302, 16343760), (1395, 15254176), (1440, 14777483), (1488, 14300790), (1680, 12666414), (1736, 12257820), (1860, 11440632), (1953, 10895840), (2016, 10555345), (2170, 9806256), (2232, 9533860), (2480, 8580474), (2520, 8444276), (2604, 8171880), (2790, 7627088), (2976, 7150395), (3255, 6537504), (3360, 6333207), (3472, 6128910), (3720, 5720316), (3906, 5447920), (4340, 4903128), (4464, 4766930), (4960, 4290237), (5040, 4222138), (5208, 4085940), (5580, 3813544), (6510, 3268752), (6944, 3064455), (7440, 2860158), (7812, 2723960), (8680, 2451564), (8928, 2383465), (9765, 2179168), (10080, 2111069), (10416, 2042970), (11160, 1906772), (13020, 1634376), (14880, 1430079), (15624, 1361980), (17360, 1225782), (19530, 1089584), (20832, 1021485), (22320, 953386), (26040, 817188), (31248, 680990), (34720, 612891), (39060, 544792), (44640, 476693), (52080, 408594), (62496, 340495), (68099, 312480), (78120, 272396), (104160, 204297), (136198, 156240)]