820126080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1590

約数の個数: 256

約数和(自身を含む): 3000268800

約数和(自身を除く): 2180142720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1531, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3062, 3348, 3456, 3720, 3968, 4185, 4320, 4464, 4593, 4960, 5580, 5760, 5952, 6124, 6696, 7440, 7655, 8370, 8640, 8928, 9186, 9920, 11160, 11904, 12248, 13392, 13779, 14880, 15310, 16740, 17280, 17856, 18372, 19840, 22320, 22965, 24496, 26784, 27558, 29760, 30620, 33480, 35712, 36744, 41337, 44640, 45930, 47461, 48992, 53568, 55116, 59520, 61240, 66960, 68895, 73488, 82674, 89280, 91860, 94922, 97984, 107136, 110232, 122480, 133920, 137790, 142383, 146976, 165348, 178560, 183720, 189844, 195968, 206685, 220464, 237305, 244960, 267840, 275580, 284766, 293952, 330696, 367440, 379688, 413370, 427149, 440928, 474610, 489920, 535680, 551160, 569532, 587904, 661392, 711915, 734880, 759376, 826740, 854298, 881856, 949220, 979840, 1102320, 1139064, 1281447, 1322784, 1423830, 1469760, 1518752, 1653480, 1708596, 1763712, 1898440, 2135745, 2204640, 2278128, 2562894, 2645568, 2847660, 2939520, 3037504, 3306960, 3417192, 3796880, 4271490, 4409280, 4556256, 5125788, 5291136, 5695320, 6075008, 6407235, 6613920, 6834384, 7593760, 8542980, 8818560, 9112512, 10251576, 11390640, 12814470, 13227840, 13668768, 15187520, 17085960, 18225024, 20503152, 22781280, 25628940, 26455680, 27337536, 30375040, 34171920, 41006304, 45562560, 51257880, 54675072, 68343840, 82012608, 91125120, 102515760, 136687680, 164025216, 205031520, 273375360, 410063040, 820126080]

約数ペア:

[(1, 820126080), (2, 410063040), (3, 273375360), (4, 205031520), (5, 164025216), (6, 136687680), (8, 102515760), (9, 91125120), (10, 82012608), (12, 68343840), (15, 54675072), (16, 51257880), (18, 45562560), (20, 41006304), (24, 34171920), (27, 30375040), (30, 27337536), (31, 26455680), (32, 25628940), (36, 22781280), (40, 20503152), (45, 18225024), (48, 17085960), (54, 15187520), (60, 13668768), (62, 13227840), (64, 12814470), (72, 11390640), (80, 10251576), (90, 9112512), (93, 8818560), (96, 8542980), (108, 7593760), (120, 6834384), (124, 6613920), (128, 6407235), (135, 6075008), (144, 5695320), (155, 5291136), (160, 5125788), (180, 4556256), (186, 4409280), (192, 4271490), (216, 3796880), (240, 3417192), (248, 3306960), (270, 3037504), (279, 2939520), (288, 2847660), (310, 2645568), (320, 2562894), (360, 2278128), (372, 2204640), (384, 2135745), (432, 1898440), (465, 1763712), (480, 1708596), (496, 1653480), (540, 1518752), (558, 1469760), (576, 1423830), (620, 1322784), (640, 1281447), (720, 1139064), (744, 1102320), (837, 979840), (864, 949220), (930, 881856), (960, 854298), (992, 826740), (1080, 759376), (1116, 734880), (1152, 711915), (1240, 661392), (1395, 587904), (1440, 569532), (1488, 551160), (1531, 535680), (1674, 489920), (1728, 474610), (1860, 440928), (1920, 427149), (1984, 413370), (2160, 379688), (2232, 367440), (2480, 330696), (2790, 293952), (2880, 284766), (2976, 275580), (3062, 267840), (3348, 244960), (3456, 237305), (3720, 220464), (3968, 206685), (4185, 195968), (4320, 189844), (4464, 183720), (4593, 178560), (4960, 165348), (5580, 146976), (5760, 142383), (5952, 137790), (6124, 133920), (6696, 122480), (7440, 110232), (7655, 107136), (8370, 97984), (8640, 94922), (8928, 91860), (9186, 89280), (9920, 82674), (11160, 73488), (11904, 68895), (12248, 66960), (13392, 61240), (13779, 59520), (14880, 55116), (15310, 53568), (16740, 48992), (17280, 47461), (17856, 45930), (18372, 44640), (19840, 41337), (22320, 36744), (22965, 35712), (24496, 33480), (26784, 30620), (27558, 29760)]