399808640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 384

約数和(自身を含む): 1297684800

約数和(自身を除く): 897876160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 49, 55, 56, 61, 64, 70, 76, 77, 80, 88, 95, 98, 110, 112, 122, 128, 133, 140, 152, 154, 160, 176, 190, 196, 209, 220, 224, 244, 245, 266, 280, 304, 305, 308, 320, 352, 380, 385, 392, 418, 427, 440, 448, 488, 490, 532, 539, 560, 608, 610, 616, 640, 665, 671, 704, 760, 770, 784, 836, 854, 880, 896, 931, 976, 980, 1045, 1064, 1078, 1120, 1159, 1216, 1220, 1232, 1330, 1342, 1408, 1463, 1520, 1540, 1568, 1672, 1708, 1760, 1862, 1952, 1960, 2090, 2128, 2135, 2156, 2240, 2318, 2432, 2440, 2464, 2660, 2684, 2695, 2926, 2989, 3040, 3080, 3136, 3344, 3355, 3416, 3520, 3724, 3904, 3920, 4180, 4256, 4270, 4312, 4480, 4636, 4655, 4697, 4880, 4928, 5320, 5368, 5390, 5795, 5852, 5978, 6080, 6160, 6272, 6688, 6710, 6832, 7040, 7315, 7448, 7808, 7840, 8113, 8360, 8512, 8540, 8624, 9272, 9310, 9394, 9760, 9856, 10241, 10640, 10736, 10780, 11590, 11704, 11956, 12160, 12320, 12749, 13376, 13420, 13664, 14630, 14896, 14945, 15680, 16226, 16720, 17024, 17080, 17248, 18544, 18620, 18788, 19520, 20482, 21280, 21472, 21560, 23180, 23408, 23485, 23912, 24640, 25498, 26752, 26840, 27328, 29260, 29792, 29890, 31360, 32452, 32879, 33440, 34160, 34496, 37088, 37240, 37576, 39040, 40565, 40964, 42560, 42944, 43120, 46360, 46816, 46970, 47824, 49280, 50996, 51205, 53680, 54656, 56791, 58520, 59584, 59780, 63745, 64904, 65758, 66880, 68320, 68992, 74176, 74480, 75152, 81130, 81928, 85120, 85888, 86240, 89243, 92720, 93632, 93940, 95648, 101992, 102410, 107360, 113582, 117040, 119168, 119560, 127490, 129808, 131516, 133760, 136640, 148352, 148960, 150304, 162260, 163856, 164395, 172480, 178486, 185440, 187264, 187880, 191296, 203984, 204820, 214720, 227164, 234080, 239120, 254980, 259616, 263032, 273280, 283955, 297920, 300608, 324520, 327712, 328790, 344960, 356972, 370880, 375760, 382592, 407968, 409640, 429440, 446215, 454328, 468160, 478240, 509960, 519232, 526064, 567910, 595840, 601216, 624701, 649040, 655424, 657580, 713944, 741760, 751520, 815936, 819280, 892430, 908656, 936320, 956480, 1019920, 1038464, 1052128, 1135820, 1249402, 1298080, 1310848, 1315160, 1427888, 1503040, 1631872, 1638560, 1784860, 1817312, 1912960, 2039840, 2104256, 2271640, 2498804, 2596160, 2630320, 2855776, 3006080, 3123505, 3277120, 3569720, 3634624, 4079680, 4208512, 4543280, 4997608, 5192320, 5260640, 5711552, 6247010, 6554240, 7139440, 7269248, 8159360, 9086560, 9995216, 10521280, 11423104, 12494020, 14278880, 18173120, 19990432, 21042560, 24988040, 28557760, 36346240, 39980864, 49976080, 57115520, 79961728, 99952160, 199904320, 399808640]

約数ペア:

[(1, 399808640), (2, 199904320), (4, 99952160), (5, 79961728), (7, 57115520), (8, 49976080), (10, 39980864), (11, 36346240), (14, 28557760), (16, 24988040), (19, 21042560), (20, 19990432), (22, 18173120), (28, 14278880), (32, 12494020), (35, 11423104), (38, 10521280), (40, 9995216), (44, 9086560), (49, 8159360), (55, 7269248), (56, 7139440), (61, 6554240), (64, 6247010), (70, 5711552), (76, 5260640), (77, 5192320), (80, 4997608), (88, 4543280), (95, 4208512), (98, 4079680), (110, 3634624), (112, 3569720), (122, 3277120), (128, 3123505), (133, 3006080), (140, 2855776), (152, 2630320), (154, 2596160), (160, 2498804), (176, 2271640), (190, 2104256), (196, 2039840), (209, 1912960), (220, 1817312), (224, 1784860), (244, 1638560), (245, 1631872), (266, 1503040), (280, 1427888), (304, 1315160), (305, 1310848), (308, 1298080), (320, 1249402), (352, 1135820), (380, 1052128), (385, 1038464), (392, 1019920), (418, 956480), (427, 936320), (440, 908656), (448, 892430), (488, 819280), (490, 815936), (532, 751520), (539, 741760), (560, 713944), (608, 657580), (610, 655424), (616, 649040), (640, 624701), (665, 601216), (671, 595840), (704, 567910), (760, 526064), (770, 519232), (784, 509960), (836, 478240), (854, 468160), (880, 454328), (896, 446215), (931, 429440), (976, 409640), (980, 407968), (1045, 382592), (1064, 375760), (1078, 370880), (1120, 356972), (1159, 344960), (1216, 328790), (1220, 327712), (1232, 324520), (1330, 300608), (1342, 297920), (1408, 283955), (1463, 273280), (1520, 263032), (1540, 259616), (1568, 254980), (1672, 239120), (1708, 234080), (1760, 227164), (1862, 214720), (1952, 204820), (1960, 203984), (2090, 191296), (2128, 187880), (2135, 187264), (2156, 185440), (2240, 178486), (2318, 172480), (2432, 164395), (2440, 163856), (2464, 162260), (2660, 150304), (2684, 148960), (2695, 148352), (2926, 136640), (2989, 133760), (3040, 131516), (3080, 129808), (3136, 127490), (3344, 119560), (3355, 119168), (3416, 117040), (3520, 113582), (3724, 107360), (3904, 102410), (3920, 101992), (4180, 95648), (4256, 93940), (4270, 93632), (4312, 92720), (4480, 89243), (4636, 86240), (4655, 85888), (4697, 85120), (4880, 81928), (4928, 81130), (5320, 75152), (5368, 74480), (5390, 74176), (5795, 68992), (5852, 68320), (5978, 66880), (6080, 65758), (6160, 64904), (6272, 63745), (6688, 59780), (6710, 59584), (6832, 58520), (7040, 56791), (7315, 54656), (7448, 53680), (7808, 51205), (7840, 50996), (8113, 49280), (8360, 47824), (8512, 46970), (8540, 46816), (8624, 46360), (9272, 43120), (9310, 42944), (9394, 42560), (9760, 40964), (9856, 40565), (10241, 39040), (10640, 37576), (10736, 37240), (10780, 37088), (11590, 34496), (11704, 34160), (11956, 33440), (12160, 32879), (12320, 32452), (12749, 31360), (13376, 29890), (13420, 29792), (13664, 29260), (14630, 27328), (14896, 26840), (14945, 26752), (15680, 25498), (16226, 24640), (16720, 23912), (17024, 23485), (17080, 23408), (17248, 23180), (18544, 21560), (18620, 21472), (18788, 21280), (19520, 20482)]