19979256960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 1024

約数和(自身を含む): 83349504000

約数和(自身を除く): 63370247040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 31, 32, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 62, 64, 65, 72, 76, 78, 80, 90, 93, 95, 96, 104, 108, 114, 117, 120, 124, 128, 130, 135, 144, 151, 152, 155, 156, 160, 171, 180, 186, 190, 192, 195, 208, 216, 228, 234, 240, 247, 248, 260, 270, 279, 285, 288, 302, 304, 310, 312, 320, 342, 351, 360, 372, 380, 384, 390, 403, 416, 432, 453, 456, 465, 468, 480, 494, 496, 513, 520, 540, 558, 570, 576, 585, 589, 604, 608, 620, 624, 640, 684, 702, 720, 741, 744, 755, 760, 780, 806, 832, 837, 855, 864, 906, 912, 930, 936, 960, 988, 992, 1026, 1040, 1080, 1116, 1140, 1152, 1170, 1178, 1208, 1209, 1216, 1235, 1240, 1248, 1359, 1368, 1395, 1404, 1440, 1482, 1488, 1510, 1520, 1560, 1612, 1664, 1674, 1710, 1728, 1755, 1767, 1812, 1824, 1860, 1872, 1920, 1963, 1976, 1984, 2015, 2052, 2080, 2160, 2223, 2232, 2265, 2280, 2340, 2356, 2416, 2418, 2432, 2470, 2480, 2496, 2565, 2718, 2736, 2790, 2808, 2869, 2880, 2945, 2964, 2976, 3020, 3040, 3120, 3224, 3348, 3420, 3456, 3510, 3534, 3624, 3627, 3648, 3705, 3720, 3744, 3926, 3952, 3968, 4030, 4077, 4104, 4160, 4185, 4320, 4446, 4464, 4530, 4560, 4680, 4681, 4712, 4832, 4836, 4940, 4960, 4992, 5130, 5301, 5436, 5472, 5580, 5616, 5738, 5760, 5889, 5890, 5928, 5952, 6040, 6045, 6080, 6240, 6448, 6669, 6696, 6795, 6840, 7020, 7068, 7248, 7254, 7296, 7410, 7440, 7488, 7657, 7852, 7904, 8060, 8154, 8208, 8320, 8370, 8607, 8640, 8835, 8892, 8928, 9060, 9120, 9360, 9362, 9424, 9664, 9672, 9815, 9880, 9920, 10260, 10602, 10872, 10881, 10944, 11115, 11160, 11232, 11476, 11778, 11780, 11856, 11904, 12080, 12090, 12160, 12480, 12896, 13338, 13392, 13590, 13680, 14040, 14043, 14136, 14345, 14496, 14508, 14820, 14880, 14976, 15314, 15704, 15808, 15903, 16120, 16308, 16416, 16740, 17214, 17280, 17667, 17670, 17784, 17856, 18120, 18135, 18240, 18720, 18724, 18848, 19328, 19344, 19630, 19760, 19840, 20385, 20520, 21204, 21744, 21762, 21888, 22230, 22320, 22464, 22952, 22971, 23405, 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8820864, 8951280, 8987520, 9249656, 9605412, 9736480, 9915264, 10070190, 10110960, 10177920, 10405863, 10672680, 10741536, 10953540, 11026080, 11306880, 11384192, 11562070, 11683776, 11935040, 12006765, 12394080, 12807216, 13144248, 13231296, 13426920, 13481280, 13874484, 14230240, 14322048, 14604720, 14701440, 16009020, 16112304, 16177536, 16430310, 16525440, 16539120, 16960320, 17076288, 17343105, 17525664, 17902560, 18499312, 19210824, 19472960, 20140380, 20221920, 20811726, 21345360, 21483072, 21907080, 22052160, 23124140, 23367552, 23870080, 24013530, 24788160, 25614432, 26288496, 26462592, 26853840, 26962560, 27748968, 28460480, 29209440, 31217589, 32018040, 32224608, 32860620, 33078240, 33920640, 34152576, 34686210, 35051328, 35805120, 36998624, 38421648, 38945920, 40280760, 40443840, 41623452, 42690720, 42966144, 43814160, 44104320, 46248280, 48027060, 49576320, 51228864, 52029315, 52576992, 53707680, 55497936, 56920960, 58418880, 62435178, 64036080, 64449216, 65721240, 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約数ペア:

[(1, 19979256960), (2, 9989628480), (3, 6659752320), (4, 4994814240), (5, 3995851392), (6, 3329876160), (8, 2497407120), (9, 2219917440), (10, 1997925696), (12, 1664938080), (13, 1536865920), (15, 1331950464), (16, 1248703560), (18, 1109958720), (19, 1051539840), (20, 998962848), (24, 832469040), (26, 768432960), (27, 739972480), (30, 665975232), (31, 644492160), (32, 624351780), (36, 554979360), (38, 525769920), (39, 512288640), (40, 499481424), (45, 443983488), (48, 416234520), (52, 384216480), (54, 369986240), (57, 350513280), (60, 332987616), (62, 322246080), (64, 312175890), (65, 307373184), (72, 277489680), (76, 262884960), (78, 256144320), (80, 249740712), (90, 221991744), (93, 214830720), (95, 210307968), (96, 208117260), (104, 192108240), (108, 184993120), (114, 175256640), (117, 170762880), (120, 166493808), (124, 161123040), (128, 156087945), (130, 153686592), (135, 147994496), (144, 138744840), (151, 132312960), (152, 131442480), (155, 128898432), (156, 128072160), (160, 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