381525760

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 288

約数和(自身を含む): 1177344000

約数和(自身を除く): 795818240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 79, 80, 88, 98, 110, 112, 128, 140, 154, 158, 160, 176, 196, 220, 224, 245, 256, 280, 308, 316, 320, 343, 352, 385, 392, 395, 440, 448, 490, 539, 553, 560, 616, 632, 640, 686, 704, 770, 784, 790, 869, 880, 896, 980, 1078, 1106, 1120, 1232, 1264, 1280, 1372, 1408, 1540, 1568, 1580, 1715, 1738, 1760, 1792, 1960, 2156, 2212, 2240, 2464, 2528, 2695, 2744, 2765, 2816, 3080, 3136, 3160, 3430, 3476, 3520, 3773, 3871, 3920, 4312, 4345, 4424, 4480, 4928, 5056, 5390, 5488, 5530, 6083, 6160, 6272, 6320, 6860, 6952, 7040, 7546, 7742, 7840, 8624, 8690, 8848, 8960, 9856, 10112, 10780, 10976, 11060, 12166, 12320, 12544, 12640, 13720, 13904, 14080, 15092, 15484, 15680, 17248, 17380, 17696, 18865, 19355, 19712, 20224, 21560, 21952, 22120, 24332, 24640, 25280, 27097, 27440, 27808, 30184, 30415, 30968, 31360, 34496, 34760, 35392, 37730, 38710, 42581, 43120, 43904, 44240, 48664, 49280, 50560, 54194, 54880, 55616, 60368, 60830, 61936, 62720, 68992, 69520, 70784, 75460, 77420, 85162, 86240, 87808, 88480, 97328, 98560, 101120, 108388, 109760, 111232, 120736, 121660, 123872, 135485, 137984, 139040, 141568, 150920, 154840, 170324, 172480, 176960, 194656, 212905, 216776, 219520, 222464, 241472, 243320, 247744, 270970, 278080, 298067, 301840, 309680, 340648, 344960, 353920, 389312, 425810, 433552, 439040, 482944, 486640, 495488, 541940, 556160, 596134, 603680, 619360, 681296, 689920, 707840, 778624, 851620, 867104, 965888, 973280, 990976, 1083880, 1112320, 1192268, 1207360, 1238720, 1362592, 1490335, 1557248, 1703240, 1734208, 1946560, 2167760, 2384536, 2414720, 2477440, 2725184, 2980670, 3406480, 3468416, 3893120, 4335520, 4769072, 4829440, 4954880, 5450368, 5961340, 6812960, 6936832, 7786240, 8671040, 9538144, 10900736, 11922680, 13625920, 17342080, 19076288, 23845360, 27251840, 34684160, 38152576, 47690720, 54503680, 76305152, 95381440, 190762880, 381525760]

約数ペア:

[(1, 381525760), (2, 190762880), (4, 95381440), (5, 76305152), (7, 54503680), (8, 47690720), (10, 38152576), (11, 34684160), (14, 27251840), (16, 23845360), (20, 19076288), (22, 17342080), (28, 13625920), (32, 11922680), (35, 10900736), (40, 9538144), (44, 8671040), (49, 7786240), (55, 6936832), (56, 6812960), (64, 5961340), (70, 5450368), (77, 4954880), (79, 4829440), (80, 4769072), (88, 4335520), (98, 3893120), (110, 3468416), (112, 3406480), (128, 2980670), (140, 2725184), (154, 2477440), (158, 2414720), (160, 2384536), (176, 2167760), (196, 1946560), (220, 1734208), (224, 1703240), (245, 1557248), (256, 1490335), (280, 1362592), (308, 1238720), (316, 1207360), (320, 1192268), (343, 1112320), (352, 1083880), (385, 990976), (392, 973280), (395, 965888), (440, 867104), (448, 851620), (490, 778624), (539, 707840), (553, 689920), (560, 681296), (616, 619360), (632, 603680), (640, 596134), (686, 556160), (704, 541940), (770, 495488), (784, 486640), (790, 482944), (869, 439040), (880, 433552), (896, 425810), (980, 389312), (1078, 353920), (1106, 344960), (1120, 340648), (1232, 309680), (1264, 301840), (1280, 298067), (1372, 278080), (1408, 270970), (1540, 247744), (1568, 243320), (1580, 241472), (1715, 222464), (1738, 219520), (1760, 216776), (1792, 212905), (1960, 194656), (2156, 176960), (2212, 172480), (2240, 170324), (2464, 154840), (2528, 150920), (2695, 141568), (2744, 139040), (2765, 137984), (2816, 135485), (3080, 123872), (3136, 121660), (3160, 120736), (3430, 111232), (3476, 109760), (3520, 108388), (3773, 101120), (3871, 98560), (3920, 97328), (4312, 88480), (4345, 87808), (4424, 86240), (4480, 85162), (4928, 77420), (5056, 75460), (5390, 70784), (5488, 69520), (5530, 68992), (6083, 62720), (6160, 61936), (6272, 60830), (6320, 60368), (6860, 55616), (6952, 54880), (7040, 54194), (7546, 50560), (7742, 49280), (7840, 48664), (8624, 44240), (8690, 43904), (8848, 43120), (8960, 42581), (9856, 38710), (10112, 37730), (10780, 35392), (10976, 34760), (11060, 34496), (12166, 31360), (12320, 30968), (12544, 30415), (12640, 30184), (13720, 27808), (13904, 27440), (14080, 27097), (15092, 25280), (15484, 24640), (15680, 24332), (17248, 22120), (17380, 21952), (17696, 21560), (18865, 20224), (19355, 19712)]