1278357120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2608

約数の個数: 256

約数和(自身を含む): 4685472000

約数和(自身を除く): 3407114880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 522, 540, 576, 580, 640, 696, 720, 783, 864, 870, 928, 960, 1044, 1080, 1152, 1160, 1305, 1392, 1440, 1566, 1728, 1740, 1856, 1920, 2088, 2160, 2320, 2551, 2610, 2784, 2880, 3132, 3456, 3480, 3712, 3915, 4176, 4320, 4640, 5102, 5220, 5568, 5760, 6264, 6960, 7653, 7830, 8352, 8640, 9280, 10204, 10440, 11136, 12528, 12755, 13920, 15306, 15660, 16704, 17280, 18560, 20408, 20880, 22959, 25056, 25510, 27840, 30612, 31320, 33408, 38265, 40816, 41760, 45918, 50112, 51020, 55680, 61224, 62640, 68877, 73979, 76530, 81632, 83520, 91836, 100224, 102040, 114795, 122448, 125280, 137754, 147958, 153060, 163264, 167040, 183672, 204080, 221937, 229590, 244896, 250560, 275508, 295916, 306120, 326528, 344385, 367344, 369895, 408160, 443874, 459180, 489792, 501120, 551016, 591832, 612240, 665811, 688770, 734688, 739790, 816320, 887748, 918360, 979584, 1102032, 1109685, 1183664, 1224480, 1331622, 1377540, 1469376, 1479580, 1632640, 1775496, 1836720, 1997433, 2204064, 2219370, 2367328, 2448960, 2663244, 2755080, 2938752, 2959160, 3329055, 3550992, 3673440, 3994866, 4408128, 4438740, 4734656, 4897920, 5326488, 5510160, 5918320, 6658110, 7101984, 7346880, 7989732, 8816256, 8877480, 9469312, 9987165, 10652976, 11020320, 11836640, 13316220, 14203968, 14693760, 15979464, 17754960, 19974330, 21305952, 22040640, 23673280, 26632440, 28407936, 31958928, 35509920, 39948660, 42611904, 44081280, 47346560, 53264880, 63917856, 71019840, 79897320, 85223808, 106529760, 127835712, 142039680, 159794640, 213059520, 255671424, 319589280, 426119040, 639178560, 1278357120]

約数ペア:

[(1, 1278357120), (2, 639178560), (3, 426119040), (4, 319589280), (5, 255671424), (6, 213059520), (8, 159794640), (9, 142039680), (10, 127835712), (12, 106529760), (15, 85223808), (16, 79897320), (18, 71019840), (20, 63917856), (24, 53264880), (27, 47346560), (29, 44081280), (30, 42611904), (32, 39948660), (36, 35509920), (40, 31958928), (45, 28407936), (48, 26632440), (54, 23673280), (58, 22040640), (60, 21305952), (64, 19974330), (72, 17754960), (80, 15979464), (87, 14693760), (90, 14203968), (96, 13316220), (108, 11836640), (116, 11020320), (120, 10652976), (128, 9987165), (135, 9469312), (144, 8877480), (145, 8816256), (160, 7989732), (174, 7346880), (180, 7101984), (192, 6658110), (216, 5918320), (232, 5510160), (240, 5326488), (261, 4897920), (270, 4734656), (288, 4438740), (290, 4408128), (320, 3994866), (348, 3673440), (360, 3550992), (384, 3329055), (432, 2959160), (435, 2938752), (464, 2755080), (480, 2663244), (522, 2448960), (540, 2367328), (576, 2219370), (580, 2204064), (640, 1997433), (696, 1836720), (720, 1775496), (783, 1632640), (864, 1479580), (870, 1469376), (928, 1377540), (960, 1331622), (1044, 1224480), (1080, 1183664), (1152, 1109685), (1160, 1102032), (1305, 979584), (1392, 918360), (1440, 887748), (1566, 816320), (1728, 739790), (1740, 734688), (1856, 688770), (1920, 665811), (2088, 612240), (2160, 591832), (2320, 551016), (2551, 501120), (2610, 489792), (2784, 459180), (2880, 443874), (3132, 408160), (3456, 369895), (3480, 367344), (3712, 344385), (3915, 326528), (4176, 306120), (4320, 295916), (4640, 275508), (5102, 250560), (5220, 244896), (5568, 229590), (5760, 221937), (6264, 204080), (6960, 183672), (7653, 167040), (7830, 163264), (8352, 153060), (8640, 147958), (9280, 137754), (10204, 125280), (10440, 122448), (11136, 114795), (12528, 102040), (12755, 100224), (13920, 91836), (15306, 83520), (15660, 81632), (16704, 76530), (17280, 73979), (18560, 68877), (20408, 62640), (20880, 61224), (22959, 55680), (25056, 51020), (25510, 50112), (27840, 45918), (30612, 41760), (31320, 40816), (33408, 38265)]