20840494080

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1$

素因数の和:1085

約数の個数: 352

約数和(自身を含む): 76592517120

約数和(自身を除く): 55752023040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 239, 240, 256, 280, 320, 336, 384, 420, 448, 478, 480, 512, 560, 640, 672, 717, 768, 811, 840, 896, 956, 960, 1024, 1120, 1195, 1280, 1344, 1434, 1536, 1622, 1673, 1680, 1792, 1912, 1920, 2240, 2390, 2433, 2560, 2688, 2868, 3072, 3244, 3346, 3360, 3584, 3585, 3824, 3840, 4055, 4480, 4780, 4866, 5019, 5120, 5376, 5677, 5736, 6488, 6692, 6720, 7168, 7170, 7648, 7680, 8110, 8365, 8960, 9560, 9732, 10038, 10752, 11354, 11472, 12165, 12976, 13384, 13440, 14340, 15296, 15360, 16220, 16730, 17031, 17920, 19120, 19464, 20076, 21504, 22708, 22944, 24330, 25095, 25952, 26768, 26880, 28385, 28680, 30592, 32440, 33460, 34062, 35840, 38240, 38928, 40152, 45416, 45888, 48660, 50190, 51904, 53536, 53760, 56770, 57360, 61184, 64880, 66920, 68124, 76480, 77856, 80304, 85155, 90832, 91776, 97320, 100380, 103808, 107072, 107520, 113540, 114720, 122368, 129760, 133840, 136248, 152960, 155712, 160608, 170310, 181664, 183552, 193829, 194640, 200760, 207616, 214144, 227080, 229440, 244736, 259520, 267680, 272496, 305920, 311424, 321216, 340620, 363328, 367104, 387658, 389280, 401520, 415232, 428288, 454160, 458880, 519040, 535360, 544992, 581487, 611840, 622848, 642432, 681240, 726656, 734208, 775316, 778560, 803040, 830464, 856576, 908320, 917760, 969145, 1038080, 1070720, 1089984, 1162974, 1223680, 1245696, 1284864, 1356803, 1362480, 1453312, 1550632, 1557120, 1606080, 1713152, 1816640, 1835520, 1938290, 2076160, 2141440, 2179968, 2325948, 2491392, 2569728, 2713606, 2724960, 2906624, 2907435, 3101264, 3114240, 3212160, 3633280, 3671040, 3876580, 4070409, 4152320, 4282880, 4359936, 4651896, 5139456, 5427212, 5449920, 5813248, 5814870, 6202528, 6228480, 6424320, 6784015, 7266560, 7753160, 8140818, 8565760, 8719872, 9303792, 10854424, 10899840, 11629740, 12405056, 12456960, 12848640, 13568030, 14533120, 15506320, 16281636, 17439744, 18607584, 20352045, 21708848, 21799680, 23259480, 24810112, 25697280, 27136060, 29066240, 31012640, 32563272, 37215168, 40704090, 43417696, 43599360, 46518960, 49620224, 54272120, 62025280, 65126544, 74430336, 81408180, 86835392, 87198720, 93037920, 99240448, 108544240, 124050560, 130253088, 148860672, 162816360, 173670784, 186075840, 198480896, 217088480, 248101120, 260506176, 297721344, 325632720, 347341568, 372151680, 434176960, 496202240, 521012352, 595442688, 651265440, 694683136, 744303360, 868353920, 992404480, 1042024704, 1302530880, 1389366272, 1488606720, 1736707840, 2084049408, 2605061760, 2977213440, 3473415680, 4168098816, 5210123520, 6946831360, 10420247040, 20840494080]

約数ペア:

[(1, 20840494080), (2, 10420247040), (3, 6946831360), (4, 5210123520), (5, 4168098816), (6, 3473415680), (7, 2977213440), (8, 2605061760), (10, 2084049408), (12, 1736707840), (14, 1488606720), (15, 1389366272), (16, 1302530880), (20, 1042024704), (21, 992404480), (24, 868353920), (28, 744303360), (30, 694683136), (32, 651265440), (35, 595442688), (40, 521012352), (42, 496202240), (48, 434176960), (56, 372151680), (60, 347341568), (64, 325632720), (70, 297721344), (80, 260506176), (84, 248101120), (96, 217088480), (105, 198480896), (112, 186075840), (120, 173670784), (128, 162816360), (140, 148860672), (160, 130253088), (168, 124050560), (192, 108544240), (210, 99240448), (224, 93037920), (239, 87198720), (240, 86835392), (256, 81408180), (280, 74430336), (320, 65126544), (336, 62025280), (384, 54272120), (420, 49620224), (448, 46518960), (478, 43599360), (480, 43417696), (512, 40704090), (560, 37215168), (640, 32563272), (672, 31012640), (717, 29066240), (768, 27136060), (811, 25697280), (840, 24810112), (896, 23259480), (956, 21799680), (960, 21708848), (1024, 20352045), (1120, 18607584), (1195, 17439744), (1280, 16281636), (1344, 15506320), (1434, 14533120), (1536, 13568030), (1622, 12848640), (1673, 12456960), (1680, 12405056), (1792, 11629740), (1912, 10899840), (1920, 10854424), (2240, 9303792), (2390, 8719872), (2433, 8565760), (2560, 8140818), (2688, 7753160), (2868, 7266560), (3072, 6784015), (3244, 6424320), (3346, 6228480), (3360, 6202528), (3584, 5814870), (3585, 5813248), (3824, 5449920), (3840, 5427212), (4055, 5139456), (4480, 4651896), (4780, 4359936), (4866, 4282880), (5019, 4152320), (5120, 4070409), (5376, 3876580), (5677, 3671040), (5736, 3633280), (6488, 3212160), (6692, 3114240), (6720, 3101264), (7168, 2907435), (7170, 2906624), (7648, 2724960), (7680, 2713606), (8110, 2569728), (8365, 2491392), (8960, 2325948), (9560, 2179968), (9732, 2141440), (10038, 2076160), (10752, 1938290), (11354, 1835520), (11472, 1816640), (12165, 1713152), (12976, 1606080), (13384, 1557120), (13440, 1550632), (14340, 1453312), (15296, 1362480), (15360, 1356803), (16220, 1284864), (16730, 1245696), (17031, 1223680), (17920, 1162974), (19120, 1089984), (19464, 1070720), (20076, 1038080), (21504, 969145), (22708, 917760), (22944, 908320), (24330, 856576), (25095, 830464), (25952, 803040), (26768, 778560), (26880, 775316), (28385, 734208), (28680, 726656), (30592, 681240), (32440, 642432), (33460, 622848), (34062, 611840), (35840, 581487), (38240, 544992), (38928, 535360), (40152, 519040), (45416, 458880), (45888, 454160), (48660, 428288), (50190, 415232), (51904, 401520), (53536, 389280), (53760, 387658), (56770, 367104), (57360, 363328), (61184, 340620), (64880, 321216), (66920, 311424), (68124, 305920), (76480, 272496), (77856, 267680), (80304, 259520), (85155, 244736), (90832, 229440), (91776, 227080), (97320, 214144), (100380, 207616), (103808, 200760), (107072, 194640), (107520, 193829), (113540, 183552), (114720, 181664), (122368, 170310), (129760, 160608), (133840, 155712), (136248, 152960)]