21202110720

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{87641}}^1$

素因数の和:87678

約数の個数: 288

約数和(自身を含む): 85987319040

約数和(自身を除く): 64785208320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 87641, 120960, 175282, 241920, 262923, 350564, 438205, 525846, 613487, 701128, 788769, 876410, 1051692, 1226974, 1314615, 1402256, 1577538, 1752820, 1840461, 2103384, 2366307, 2453948, 2629230, 2804512, 3067435, 3155076, 3505640, 3680922, 3943845, 4206768, 4732614, 4907896, 5258460, 5521383, 5609024, 6134870, 6310152, 7011280, 7361844, 7887690, 8413536, 9202305, 9465228, 9815792, 10516920, 11042766, 11218048, 11831535, 12269740, 12620304, 14022560, 14723688, 15775380, 16564149, 16827072, 18404610, 18930456, 19631584, 21033840, 22085532, 22436096, 23663070, 24539480, 25240608, 27606915, 28045120, 29447376, 31550760, 33128298, 33654144, 36809220, 37860912, 39263168, 42067680, 44171064, 47326140, 49078960, 50481216, 55213830, 56090240, 58894752, 63101520, 66256596, 67308288, 73618440, 75721824, 78526336, 82820745, 84135360, 88342128, 94652280, 98157920, 100962432, 110427660, 112180480, 117789504, 126203040, 132513192, 147236880, 151443648, 157052672, 165641490, 168270720, 176684256, 189304560, 196315840, 201924864, 220855320, 235579008, 252406080, 265026384, 294473760, 302887296, 331282980, 336541440, 353368512, 378609120, 392631680, 441710640, 471158016, 504812160, 530052768, 588947520, 605774592, 662565960, 706737024, 757218240, 785263360, 883421280, 1009624320, 1060105536, 1177895040, 1325131920, 1413474048, 1514436480, 1766842560, 2120211072, 2355790080, 2650263840, 3028872960, 3533685120, 4240422144, 5300527680, 7067370240, 10601055360, 21202110720]

約数ペア:

[(1, 21202110720), (2, 10601055360), (3, 7067370240), (4, 5300527680), (5, 4240422144), (6, 3533685120), (7, 3028872960), (8, 2650263840), (9, 2355790080), (10, 2120211072), (12, 1766842560), (14, 1514436480), (15, 1413474048), (16, 1325131920), (18, 1177895040), (20, 1060105536), (21, 1009624320), (24, 883421280), (27, 785263360), (28, 757218240), (30, 706737024), (32, 662565960), (35, 605774592), (36, 588947520), (40, 530052768), (42, 504812160), (45, 471158016), (48, 441710640), (54, 392631680), (56, 378609120), (60, 353368512), (63, 336541440), (64, 331282980), (70, 302887296), (72, 294473760), (80, 265026384), (84, 252406080), (90, 235579008), (96, 220855320), (105, 201924864), (108, 196315840), (112, 189304560), (120, 176684256), (126, 168270720), (128, 165641490), (135, 157052672), (140, 151443648), (144, 147236880), (160, 132513192), (168, 126203040), (180, 117789504), (189, 112180480), (192, 110427660), (210, 100962432), (216, 98157920), (224, 94652280), (240, 88342128), (252, 84135360), (256, 82820745), (270, 78526336), (280, 75721824), (288, 73618440), (315, 67308288), (320, 66256596), (336, 63101520), (360, 58894752), (378, 56090240), (384, 55213830), (420, 50481216), (432, 49078960), (448, 47326140), (480, 44171064), (504, 42067680), (540, 39263168), (560, 37860912), (576, 36809220), (630, 33654144), (640, 33128298), (672, 31550760), (720, 29447376), (756, 28045120), (768, 27606915), (840, 25240608), (864, 24539480), (896, 23663070), (945, 22436096), (960, 22085532), (1008, 21033840), (1080, 19631584), (1120, 18930456), (1152, 18404610), (1260, 16827072), (1280, 16564149), (1344, 15775380), (1440, 14723688), (1512, 14022560), (1680, 12620304), (1728, 12269740), (1792, 11831535), (1890, 11218048), (1920, 11042766), (2016, 10516920), (2160, 9815792), (2240, 9465228), (2304, 9202305), (2520, 8413536), (2688, 7887690), (2880, 7361844), (3024, 7011280), (3360, 6310152), (3456, 6134870), (3780, 5609024), (3840, 5521383), (4032, 5258460), (4320, 4907896), (4480, 4732614), (5040, 4206768), (5376, 3943845), (5760, 3680922), (6048, 3505640), (6720, 3155076), (6912, 3067435), (7560, 2804512), (8064, 2629230), (8640, 2453948), (8960, 2366307), (10080, 2103384), (11520, 1840461), (12096, 1752820), (13440, 1577538), (15120, 1402256), (16128, 1314615), (17280, 1226974), (20160, 1051692), (24192, 876410), (26880, 788769), (30240, 701128), (34560, 613487), (40320, 525846), (48384, 438205), (60480, 350564), (80640, 262923), (87641, 241920), (120960, 175282)]