20704504320

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 480

約数和(自身を含む): 75836217600

約数和(自身を除く): 55131713280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 89, 90, 92, 96, 115, 120, 128, 138, 144, 160, 178, 180, 184, 192, 207, 230, 240, 256, 267, 276, 288, 320, 345, 356, 360, 368, 384, 414, 439, 445, 460, 480, 512, 534, 552, 576, 640, 690, 712, 720, 736, 768, 801, 828, 878, 890, 920, 960, 1035, 1068, 1104, 1152, 1280, 1317, 1335, 1380, 1424, 1440, 1472, 1536, 1602, 1656, 1756, 1780, 1840, 1920, 2047, 2070, 2136, 2195, 2208, 2304, 2560, 2634, 2670, 2760, 2848, 2880, 2944, 3204, 3312, 3512, 3560, 3680, 3840, 3951, 4005, 4094, 4140, 4272, 4390, 4416, 4608, 5268, 5340, 5520, 5696, 5760, 5888, 6141, 6408, 6585, 6624, 7024, 7120, 7360, 7680, 7902, 8010, 8188, 8280, 8544, 8780, 8832, 10097, 10235, 10536, 10680, 11040, 11392, 11520, 11776, 12282, 12816, 13170, 13248, 14048, 14240, 14720, 15804, 16020, 16376, 16560, 17088, 17560, 17664, 18423, 19755, 20194, 20470, 21072, 21360, 22080, 22784, 23040, 24564, 25632, 26340, 26496, 28096, 28480, 29440, 30291, 30705, 31608, 32040, 32752, 33120, 34176, 35120, 35328, 36846, 39071, 39510, 40388, 40940, 42144, 42720, 44160, 45568, 49128, 50485, 51264, 52680, 52992, 56192, 56960, 58880, 60582, 61410, 63216, 64080, 65504, 66240, 68352, 70240, 73692, 78142, 79020, 80776, 81880, 84288, 85440, 88320, 90873, 92115, 98256, 100970, 102528, 105360, 105984, 112384, 113920, 117213, 121164, 122820, 126432, 128160, 131008, 132480, 136704, 140480, 147384, 151455, 156284, 158040, 161552, 163760, 168576, 170880, 176640, 181746, 184230, 195355, 196512, 201940, 205056, 210720, 224768, 227840, 234426, 242328, 245640, 252864, 256320, 262016, 264960, 280960, 294768, 302910, 312568, 316080, 323104, 327520, 337152, 341760, 351639, 363492, 368460, 390710, 393024, 403880, 410112, 421440, 454365, 468852, 484656, 491280, 505728, 512640, 524032, 529920, 561920, 586065, 589536, 605820, 625136, 632160, 646208, 655040, 674304, 683520, 703278, 726984, 736920, 781420, 786048, 807760, 842880, 898633, 908730, 937704, 969312, 982560, 1011456, 1025280, 1048064, 1123840, 1172130, 1179072, 1211640, 1250272, 1264320, 1292416, 1310080, 1406556, 1453968, 1473840, 1562840, 1572096, 1615520, 1685760, 1758195, 1797266, 1817460, 1875408, 1938624, 1965120, 2022912, 2050560, 2344260, 2358144, 2423280, 2500544, 2528640, 2584832, 2620160, 2695899, 2813112, 2907936, 2947680, 3125680, 3144192, 3231040, 3371520, 3516390, 3594532, 3634920, 3750816, 3877248, 3930240, 4493165, 4688520, 4716288, 4846560, 5001088, 5057280, 5169664, 5240320, 5391798, 5626224, 5815872, 5895360, 6251360, 6462080, 7032780, 7189064, 7269840, 7501632, 7754496, 7860480, 8087697, 8986330, 9377040, 9432576, 9693120, 10002176, 10114560, 10783596, 11252448, 11631744, 11790720, 12502720, 12924160, 13479495, 14065560, 14378128, 14539680, 15003264, 15508992, 15720960, 16175394, 17972660, 18754080, 19386240, 20004352, 21567192, 22504896, 23263488, 23581440, 25005440, 25848320, 26958990, 28131120, 28756256, 29079360, 30006528, 32350788, 35945320, 37508160, 38772480, 40438485, 43134384, 45009792, 46526976, 47162880, 50010880, 53917980, 56262240, 57512512, 58158720, 60013056, 64701576, 71890640, 75016320, 77544960, 80876970, 86268768, 90019584, 100021760, 107835960, 112524480, 115025024, 116317440, 129403152, 143781280, 150032640, 161753940, 172537536, 180039168, 215671920, 225048960, 230050048, 232634880, 258806304, 287562560, 300065280, 323507880, 345075072, 431343840, 450097920, 460100096, 517612608, 575125120, 647015760, 690150144, 862687680, 900195840, 1035225216, 1150250240, 1294031520, 1380300288, 1725375360, 2070450432, 2300500480, 2588063040, 3450750720, 4140900864, 5176126080, 6901501440, 10352252160, 20704504320]

約数ペア:

[(1, 20704504320), (2, 10352252160), (3, 6901501440), (4, 5176126080), (5, 4140900864), (6, 3450750720), (8, 2588063040), (9, 2300500480), (10, 2070450432), (12, 1725375360), (15, 1380300288), (16, 1294031520), (18, 1150250240), (20, 1035225216), (23, 900195840), (24, 862687680), (30, 690150144), (32, 647015760), (36, 575125120), (40, 517612608), (45, 460100096), (46, 450097920), (48, 431343840), (60, 345075072), (64, 323507880), (69, 300065280), (72, 287562560), (80, 258806304), (89, 232634880), (90, 230050048), (92, 225048960), (96, 215671920), (115, 180039168), (120, 172537536), (128, 161753940), (138, 150032640), (144, 143781280), (160, 129403152), (178, 116317440), (180, 115025024), (184, 112524480), (192, 107835960), (207, 100021760), (230, 90019584), (240, 86268768), (256, 80876970), (267, 77544960), (276, 75016320), (288, 71890640), (320, 64701576), (345, 60013056), (356, 58158720), (360, 57512512), (368, 56262240), (384, 53917980), (414, 50010880), (439, 47162880), (445, 46526976), (460, 45009792), (480, 43134384), (512, 40438485), (534, 38772480), (552, 37508160), (576, 35945320), (640, 32350788), (690, 30006528), (712, 29079360), (720, 28756256), (736, 28131120), (768, 26958990), (801, 25848320), (828, 25005440), (878, 23581440), (890, 23263488), (920, 22504896), (960, 21567192), (1035, 20004352), (1068, 19386240), (1104, 18754080), (1152, 17972660), (1280, 16175394), (1317, 15720960), (1335, 15508992), (1380, 15003264), (1424, 14539680), (1440, 14378128), (1472, 14065560), (1536, 13479495), (1602, 12924160), (1656, 12502720), (1756, 11790720), (1780, 11631744), (1840, 11252448), (1920, 10783596), (2047, 10114560), (2070, 10002176), (2136, 9693120), (2195, 9432576), (2208, 9377040), (2304, 8986330), (2560, 8087697), (2634, 7860480), (2670, 7754496), (2760, 7501632), (2848, 7269840), (2880, 7189064), (2944, 7032780), (3204, 6462080), (3312, 6251360), (3512, 5895360), (3560, 5815872), (3680, 5626224), (3840, 5391798), (3951, 5240320), (4005, 5169664), (4094, 5057280), (4140, 5001088), (4272, 4846560), (4390, 4716288), (4416, 4688520), (4608, 4493165), (5268, 3930240), (5340, 3877248), (5520, 3750816), (5696, 3634920), (5760, 3594532), (5888, 3516390), (6141, 3371520), (6408, 3231040), (6585, 3144192), (6624, 3125680), (7024, 2947680), (7120, 2907936), (7360, 2813112), (7680, 2695899), (7902, 2620160), (8010, 2584832), (8188, 2528640), (8280, 2500544), (8544, 2423280), (8780, 2358144), (8832, 2344260), (10097, 2050560), (10235, 2022912), (10536, 1965120), (10680, 1938624), (11040, 1875408), (11392, 1817460), (11520, 1797266), (11776, 1758195), (12282, 1685760), (12816, 1615520), (13170, 1572096), (13248, 1562840), (14048, 1473840), (14240, 1453968), (14720, 1406556), (15804, 1310080), (16020, 1292416), (16376, 1264320), (16560, 1250272), (17088, 1211640), (17560, 1179072), (17664, 1172130), (18423, 1123840), (19755, 1048064), (20194, 1025280), (20470, 1011456), (21072, 982560), (21360, 969312), (22080, 937704), (22784, 908730), (23040, 898633), (24564, 842880), (25632, 807760), (26340, 786048), (26496, 781420), (28096, 736920), (28480, 726984), (29440, 703278), (30291, 683520), (30705, 674304), (31608, 655040), (32040, 646208), (32752, 632160), (33120, 625136), (34176, 605820), (35120, 589536), (35328, 586065), (36846, 561920), (39071, 529920), (39510, 524032), (40388, 512640), (40940, 505728), (42144, 491280), (42720, 484656), (44160, 468852), (45568, 454365), (49128, 421440), (50485, 410112), (51264, 403880), (52680, 393024), (52992, 390710), (56192, 368460), (56960, 363492), (58880, 351639), (60582, 341760), (61410, 337152), (63216, 327520), (64080, 323104), (65504, 316080), (66240, 312568), (68352, 302910), (70240, 294768), (73692, 280960), (78142, 264960), (79020, 262016), (80776, 256320), (81880, 252864), (84288, 245640), (85440, 242328), (88320, 234426), (90873, 227840), (92115, 224768), (98256, 210720), (100970, 205056), (102528, 201940), (105360, 196512), (105984, 195355), (112384, 184230), (113920, 181746), (117213, 176640), (121164, 170880), (122820, 168576), (126432, 163760), (128160, 161552), (131008, 158040), (132480, 156284), (136704, 151455), (140480, 147384)]