1990068480

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 288

約数和(自身を含む): 7152364800

約数和(自身を除く): 5162296320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 89, 90, 96, 108, 120, 128, 135, 144, 160, 178, 180, 192, 216, 240, 256, 267, 270, 288, 320, 356, 360, 384, 432, 445, 480, 534, 540, 576, 640, 647, 712, 720, 768, 801, 864, 890, 960, 1068, 1080, 1152, 1280, 1294, 1335, 1424, 1440, 1602, 1728, 1780, 1920, 1941, 2136, 2160, 2304, 2403, 2588, 2670, 2848, 2880, 3204, 3235, 3456, 3560, 3840, 3882, 4005, 4272, 4320, 4806, 5176, 5340, 5696, 5760, 5823, 6408, 6470, 6912, 7120, 7764, 8010, 8544, 8640, 9612, 9705, 10352, 10680, 11392, 11520, 11646, 12015, 12816, 12940, 14240, 15528, 16020, 17088, 17280, 17469, 19224, 19410, 20704, 21360, 22784, 23292, 24030, 25632, 25880, 28480, 29115, 31056, 32040, 34176, 34560, 34938, 38448, 38820, 41408, 42720, 46584, 48060, 51264, 51760, 56960, 57583, 58230, 62112, 64080, 68352, 69876, 76896, 77640, 82816, 85440, 87345, 93168, 96120, 102528, 103520, 113920, 115166, 116460, 124224, 128160, 139752, 153792, 155280, 165632, 170880, 172749, 174690, 186336, 192240, 205056, 207040, 230332, 232920, 248448, 256320, 279504, 287915, 307584, 310560, 341760, 345498, 349380, 372672, 384480, 414080, 460664, 465840, 496896, 512640, 518247, 559008, 575830, 615168, 621120, 690996, 698760, 745344, 768960, 828160, 863745, 921328, 931680, 1025280, 1036494, 1118016, 1151660, 1242240, 1381992, 1397520, 1490688, 1537920, 1554741, 1727490, 1842656, 1863360, 2072988, 2236032, 2303320, 2484480, 2591235, 2763984, 2795040, 3075840, 3109482, 3454980, 3685312, 3726720, 4145976, 4472064, 4606640, 5182470, 5527968, 5590080, 6218964, 6909960, 7370624, 7453440, 7773705, 8291952, 9213280, 10364940, 11055936, 11180160, 12437928, 13819920, 14741248, 15547410, 16583904, 18426560, 20729880, 22111872, 22360320, 24875856, 27639840, 31094820, 33167808, 36853120, 41459760, 44223744, 49751712, 55279680, 62189640, 66335616, 73706240, 82919520, 99503424, 110559360, 124379280, 132671232, 165839040, 199006848, 221118720, 248758560, 331678080, 398013696, 497517120, 663356160, 995034240, 1990068480]

約数ペア:

[(1, 1990068480), (2, 995034240), (3, 663356160), (4, 497517120), (5, 398013696), (6, 331678080), (8, 248758560), (9, 221118720), (10, 199006848), (12, 165839040), (15, 132671232), (16, 124379280), (18, 110559360), (20, 99503424), (24, 82919520), (27, 73706240), (30, 66335616), (32, 62189640), (36, 55279680), (40, 49751712), (45, 44223744), (48, 41459760), (54, 36853120), (60, 33167808), (64, 31094820), (72, 27639840), (80, 24875856), (89, 22360320), (90, 22111872), (96, 20729880), (108, 18426560), (120, 16583904), (128, 15547410), (135, 14741248), (144, 13819920), (160, 12437928), (178, 11180160), (180, 11055936), (192, 10364940), (216, 9213280), (240, 8291952), (256, 7773705), (267, 7453440), (270, 7370624), (288, 6909960), (320, 6218964), (356, 5590080), (360, 5527968), (384, 5182470), (432, 4606640), (445, 4472064), (480, 4145976), (534, 3726720), (540, 3685312), (576, 3454980), (640, 3109482), (647, 3075840), (712, 2795040), (720, 2763984), (768, 2591235), (801, 2484480), (864, 2303320), (890, 2236032), (960, 2072988), (1068, 1863360), (1080, 1842656), (1152, 1727490), (1280, 1554741), (1294, 1537920), (1335, 1490688), (1424, 1397520), (1440, 1381992), (1602, 1242240), (1728, 1151660), (1780, 1118016), (1920, 1036494), (1941, 1025280), (2136, 931680), (2160, 921328), (2304, 863745), (2403, 828160), (2588, 768960), (2670, 745344), (2848, 698760), (2880, 690996), (3204, 621120), (3235, 615168), (3456, 575830), (3560, 559008), (3840, 518247), (3882, 512640), (4005, 496896), (4272, 465840), (4320, 460664), (4806, 414080), (5176, 384480), (5340, 372672), (5696, 349380), (5760, 345498), (5823, 341760), (6408, 310560), (6470, 307584), (6912, 287915), (7120, 279504), (7764, 256320), (8010, 248448), (8544, 232920), (8640, 230332), (9612, 207040), (9705, 205056), (10352, 192240), (10680, 186336), (11392, 174690), (11520, 172749), (11646, 170880), (12015, 165632), (12816, 155280), (12940, 153792), (14240, 139752), (15528, 128160), (16020, 124224), (17088, 116460), (17280, 115166), (17469, 113920), (19224, 103520), (19410, 102528), (20704, 96120), (21360, 93168), (22784, 87345), (23292, 85440), (24030, 82816), (25632, 77640), (25880, 76896), (28480, 69876), (29115, 68352), (31056, 64080), (32040, 62112), (34176, 58230), (34560, 57583), (34938, 56960), (38448, 51760), (38820, 51264), (41408, 48060), (42720, 46584)]