20320957440

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:974

約数の個数: 528

約数和(自身を含む): 81667243008

約数和(自身を除く): 61346285568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 73, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 146, 160, 168, 180, 192, 210, 219, 224, 240, 252, 256, 280, 288, 292, 315, 320, 336, 360, 365, 384, 420, 438, 448, 480, 504, 511, 512, 560, 576, 584, 630, 640, 657, 672, 720, 730, 768, 840, 863, 876, 896, 960, 1008, 1022, 1024, 1095, 1120, 1152, 1168, 1260, 1280, 1314, 1344, 1440, 1460, 1533, 1536, 1680, 1726, 1752, 1792, 1920, 2016, 2044, 2190, 2240, 2304, 2336, 2520, 2555, 2560, 2589, 2628, 2688, 2880, 2920, 3066, 3072, 3285, 3360, 3452, 3504, 3584, 3840, 4032, 4088, 4315, 4380, 4480, 4599, 4608, 4672, 5040, 5110, 5120, 5178, 5256, 5376, 5760, 5840, 6041, 6132, 6570, 6720, 6904, 7008, 7168, 7665, 7680, 7767, 8064, 8176, 8630, 8760, 8960, 9198, 9216, 9344, 10080, 10220, 10356, 10512, 10752, 11520, 11680, 12082, 12264, 12945, 13140, 13440, 13808, 14016, 15330, 15360, 15534, 16128, 16352, 17260, 17520, 17920, 18123, 18396, 18688, 20160, 20440, 20712, 21024, 21504, 22995, 23040, 23360, 24164, 24528, 25890, 26280, 26880, 27616, 28032, 30205, 30660, 31068, 32256, 32704, 34520, 35040, 35840, 36246, 36792, 37376, 38835, 40320, 40880, 41424, 42048, 45990, 46080, 46720, 48328, 49056, 51780, 52560, 53760, 54369, 55232, 56064, 60410, 61320, 62136, 62999, 64512, 65408, 69040, 70080, 72492, 73584, 74752, 77670, 80640, 81760, 82848, 84096, 90615, 91980, 93440, 96656, 98112, 103560, 105120, 107520, 108738, 110464, 112128, 120820, 122640, 124272, 125998, 130816, 138080, 140160, 144984, 147168, 155340, 161280, 163520, 165696, 168192, 181230, 183960, 186880, 188997, 193312, 196224, 207120, 210240, 217476, 220928, 224256, 241640, 245280, 248544, 251996, 261632, 271845, 276160, 280320, 289968, 294336, 310680, 314995, 322560, 327040, 331392, 336384, 362460, 367920, 373760, 377994, 386624, 392448, 414240, 420480, 434952, 440993, 441856, 483280, 490560, 497088, 503992, 523264, 543690, 552320, 560640, 566991, 579936, 588672, 621360, 629990, 654080, 662784, 672768, 724920, 735840, 755988, 773248, 784896, 828480, 840960, 869904, 881986, 883712, 944985, 966560, 981120, 994176, 1007984, 1087380, 1104640, 1121280, 1133982, 1159872, 1177344, 1242720, 1259980, 1308160, 1322979, 1325568, 1449840, 1471680, 1511976, 1546496, 1569792, 1656960, 1681920, 1739808, 1763972, 1889970, 1933120, 1962240, 1988352, 2015968, 2174760, 2204965, 2209280, 2267964, 2319744, 2354688, 2485440, 2519960, 2616320, 2645958, 2651136, 2834955, 2899680, 2943360, 3023952, 3092992, 3313920, 3363840, 3479616, 3527944, 3779940, 3866240, 3924480, 3968937, 3976704, 4031936, 4349520, 4409930, 4418560, 4535928, 4639488, 4709376, 4970880, 5039920, 5291916, 5669910, 5799360, 5886720, 6047904, 6185984, 6614895, 6627840, 6959232, 7055888, 7559880, 7732480, 7848960, 7937874, 7953408, 8063872, 8699040, 8819860, 9071856, 9278976, 9941760, 10079840, 10583832, 11339820, 11598720, 11773440, 12095808, 13229790, 13255680, 13918464, 14111776, 15119760, 15464960, 15875748, 16127744, 17398080, 17639720, 18143712, 18557952, 19844685, 19883520, 20159680, 21167664, 22679640, 23197440, 23546880, 24191616, 26459580, 27836928, 28223552, 30239520, 30929920, 31751496, 32255488, 34796160, 35279440, 36287424, 39689370, 39767040, 40319360, 42335328, 45359280, 46394880, 48383232, 52919160, 55673856, 56447104, 60479040, 63502992, 64510976, 69592320, 70558880, 72574848, 79378740, 80638720, 84670656, 90718560, 92789760, 96766464, 105838320, 112894208, 120958080, 127005984, 139184640, 141117760, 145149696, 158757480, 161277440, 169341312, 181437120, 193532928, 211676640, 225788416, 241916160, 254011968, 278369280, 282235520, 290299392, 317514960, 322554880, 338682624, 362874240, 423353280, 451576832, 483832320, 508023936, 564471040, 580598784, 635029920, 677365248, 725748480, 846706560, 967664640, 1016047872, 1128942080, 1270059840, 1354730496, 1451496960, 1693413120, 2032095744, 2257884160, 2540119680, 2902993920, 3386826240, 4064191488, 5080239360, 6773652480, 10160478720, 20320957440]

約数ペア:

[(1, 20320957440), (2, 10160478720), (3, 6773652480), (4, 5080239360), (5, 4064191488), (6, 3386826240), (7, 2902993920), (8, 2540119680), (9, 2257884160), (10, 2032095744), (12, 1693413120), (14, 1451496960), (15, 1354730496), (16, 1270059840), (18, 1128942080), (20, 1016047872), (21, 967664640), (24, 846706560), (28, 725748480), (30, 677365248), (32, 635029920), (35, 580598784), (36, 564471040), (40, 508023936), (42, 483832320), (45, 451576832), (48, 423353280), (56, 362874240), (60, 338682624), (63, 322554880), (64, 317514960), (70, 290299392), (72, 282235520), (73, 278369280), (80, 254011968), (84, 241916160), (90, 225788416), (96, 211676640), (105, 193532928), (112, 181437120), (120, 169341312), (126, 161277440), (128, 158757480), (140, 145149696), (144, 141117760), (146, 139184640), (160, 127005984), (168, 120958080), (180, 112894208), (192, 105838320), (210, 96766464), (219, 92789760), (224, 90718560), (240, 84670656), (252, 80638720), (256, 79378740), (280, 72574848), (288, 70558880), (292, 69592320), (315, 64510976), (320, 63502992), (336, 60479040), (360, 56447104), (365, 55673856), (384, 52919160), (420, 48383232), (438, 46394880), (448, 45359280), (480, 42335328), (504, 40319360), (511, 39767040), (512, 39689370), (560, 36287424), (576, 35279440), (584, 34796160), (630, 32255488), (640, 31751496), (657, 30929920), (672, 30239520), (720, 28223552), (730, 27836928), (768, 26459580), (840, 24191616), (863, 23546880), (876, 23197440), (896, 22679640), (960, 21167664), (1008, 20159680), (1022, 19883520), (1024, 19844685), (1095, 18557952), (1120, 18143712), (1152, 17639720), (1168, 17398080), (1260, 16127744), (1280, 15875748), (1314, 15464960), (1344, 15119760), (1440, 14111776), (1460, 13918464), (1533, 13255680), (1536, 13229790), (1680, 12095808), (1726, 11773440), (1752, 11598720), (1792, 11339820), (1920, 10583832), (2016, 10079840), (2044, 9941760), (2190, 9278976), (2240, 9071856), (2304, 8819860), (2336, 8699040), (2520, 8063872), (2555, 7953408), (2560, 7937874), (2589, 7848960), (2628, 7732480), (2688, 7559880), (2880, 7055888), (2920, 6959232), (3066, 6627840), (3072, 6614895), (3285, 6185984), (3360, 6047904), (3452, 5886720), (3504, 5799360), (3584, 5669910), (3840, 5291916), (4032, 5039920), (4088, 4970880), (4315, 4709376), (4380, 4639488), (4480, 4535928), (4599, 4418560), (4608, 4409930), (4672, 4349520), (5040, 4031936), (5110, 3976704), (5120, 3968937), (5178, 3924480), (5256, 3866240), (5376, 3779940), (5760, 3527944), (5840, 3479616), (6041, 3363840), (6132, 3313920), (6570, 3092992), (6720, 3023952), (6904, 2943360), (7008, 2899680), (7168, 2834955), (7665, 2651136), (7680, 2645958), (7767, 2616320), (8064, 2519960), (8176, 2485440), (8630, 2354688), (8760, 2319744), (8960, 2267964), (9198, 2209280), (9216, 2204965), (9344, 2174760), (10080, 2015968), (10220, 1988352), (10356, 1962240), (10512, 1933120), (10752, 1889970), (11520, 1763972), (11680, 1739808), (12082, 1681920), (12264, 1656960), (12945, 1569792), (13140, 1546496), (13440, 1511976), (13808, 1471680), (14016, 1449840), (15330, 1325568), (15360, 1322979), (15534, 1308160), (16128, 1259980), (16352, 1242720), (17260, 1177344), (17520, 1159872), (17920, 1133982), (18123, 1121280), (18396, 1104640), (18688, 1087380), (20160, 1007984), (20440, 994176), (20712, 981120), (21024, 966560), (21504, 944985), (22995, 883712), (23040, 881986), (23360, 869904), (24164, 840960), (24528, 828480), (25890, 784896), (26280, 773248), (26880, 755988), (27616, 735840), (28032, 724920), (30205, 672768), (30660, 662784), (31068, 654080), (32256, 629990), (32704, 621360), (34520, 588672), (35040, 579936), (35840, 566991), (36246, 560640), (36792, 552320), (37376, 543690), (38835, 523264), (40320, 503992), (40880, 497088), (41424, 490560), (42048, 483280), (45990, 441856), (46080, 440993), (46720, 434952), (48328, 420480), (49056, 414240), (51780, 392448), (52560, 386624), (53760, 377994), (54369, 373760), (55232, 367920), (56064, 362460), (60410, 336384), (61320, 331392), (62136, 327040), (62999, 322560), (64512, 314995), (65408, 310680), (69040, 294336), (70080, 289968), (72492, 280320), (73584, 276160), (74752, 271845), (77670, 261632), (80640, 251996), (81760, 248544), (82848, 245280), (84096, 241640), (90615, 224256), (91980, 220928), (93440, 217476), (96656, 210240), (98112, 207120), (103560, 196224), (105120, 193312), (107520, 188997), (108738, 186880), (110464, 183960), (112128, 181230), (120820, 168192), (122640, 165696), (124272, 163520), (125998, 161280), (130816, 155340), (138080, 147168), (140160, 144984)]