261640320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 256

約数和(自身を含む): 893030400

約数和(自身を除く): 631390080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 37, 40, 48, 58, 60, 64, 74, 80, 87, 96, 111, 116, 120, 127, 128, 145, 148, 160, 174, 185, 192, 222, 232, 240, 254, 290, 296, 320, 348, 370, 381, 384, 435, 444, 464, 480, 508, 555, 580, 592, 635, 640, 696, 740, 762, 870, 888, 928, 960, 1016, 1073, 1110, 1160, 1184, 1270, 1392, 1480, 1524, 1740, 1776, 1856, 1905, 1920, 2032, 2146, 2220, 2320, 2368, 2540, 2784, 2960, 3048, 3219, 3480, 3552, 3683, 3712, 3810, 4064, 4292, 4440, 4640, 4699, 4736, 5080, 5365, 5568, 5920, 6096, 6438, 6960, 7104, 7366, 7620, 8128, 8584, 8880, 9280, 9398, 10160, 10730, 11049, 11136, 11840, 12192, 12876, 13920, 14097, 14208, 14732, 15240, 16095, 16256, 17168, 17760, 18415, 18560, 18796, 20320, 21460, 22098, 23495, 23680, 24384, 25752, 27840, 28194, 29464, 30480, 32190, 34336, 35520, 36830, 37592, 40640, 42920, 44196, 46990, 48768, 51504, 55245, 55680, 56388, 58928, 60960, 64380, 68672, 70485, 71040, 73660, 75184, 81280, 85840, 88392, 93980, 103008, 110490, 112776, 117856, 121920, 128760, 136271, 137344, 140970, 147320, 150368, 171680, 176784, 187960, 206016, 220980, 225552, 235712, 243840, 257520, 272542, 281940, 294640, 300736, 343360, 353568, 375920, 408813, 412032, 441960, 451104, 471424, 515040, 545084, 563880, 589280, 601472, 681355, 686720, 707136, 751840, 817626, 883920, 902208, 1030080, 1090168, 1127760, 1178560, 1362710, 1414272, 1503680, 1635252, 1767840, 1804416, 2044065, 2060160, 2180336, 2255520, 2357120, 2725420, 3007360, 3270504, 3535680, 4088130, 4360672, 4511040, 5450840, 6541008, 7071360, 8176260, 8721344, 9022080, 10901680, 13082016, 16352520, 17442688, 21803360, 26164032, 32705040, 43606720, 52328064, 65410080, 87213440, 130820160, 261640320]

約数ペア:

[(1, 261640320), (2, 130820160), (3, 87213440), (4, 65410080), (5, 52328064), (6, 43606720), (8, 32705040), (10, 26164032), (12, 21803360), (15, 17442688), (16, 16352520), (20, 13082016), (24, 10901680), (29, 9022080), (30, 8721344), (32, 8176260), (37, 7071360), (40, 6541008), (48, 5450840), (58, 4511040), (60, 4360672), (64, 4088130), (74, 3535680), (80, 3270504), (87, 3007360), (96, 2725420), (111, 2357120), (116, 2255520), (120, 2180336), (127, 2060160), (128, 2044065), (145, 1804416), (148, 1767840), (160, 1635252), (174, 1503680), (185, 1414272), (192, 1362710), (222, 1178560), (232, 1127760), (240, 1090168), (254, 1030080), (290, 902208), (296, 883920), (320, 817626), (348, 751840), (370, 707136), (381, 686720), (384, 681355), (435, 601472), (444, 589280), (464, 563880), (480, 545084), (508, 515040), (555, 471424), (580, 451104), (592, 441960), (635, 412032), (640, 408813), (696, 375920), (740, 353568), (762, 343360), (870, 300736), (888, 294640), (928, 281940), (960, 272542), (1016, 257520), (1073, 243840), (1110, 235712), (1160, 225552), (1184, 220980), (1270, 206016), (1392, 187960), (1480, 176784), (1524, 171680), (1740, 150368), (1776, 147320), (1856, 140970), (1905, 137344), (1920, 136271), (2032, 128760), (2146, 121920), (2220, 117856), (2320, 112776), (2368, 110490), (2540, 103008), (2784, 93980), (2960, 88392), (3048, 85840), (3219, 81280), (3480, 75184), (3552, 73660), (3683, 71040), (3712, 70485), (3810, 68672), (4064, 64380), (4292, 60960), (4440, 58928), (4640, 56388), (4699, 55680), (4736, 55245), (5080, 51504), (5365, 48768), (5568, 46990), (5920, 44196), (6096, 42920), (6438, 40640), (6960, 37592), (7104, 36830), (7366, 35520), (7620, 34336), (8128, 32190), (8584, 30480), (8880, 29464), (9280, 28194), (9398, 27840), (10160, 25752), (10730, 24384), (11049, 23680), (11136, 23495), (11840, 22098), (12192, 21460), (12876, 20320), (13920, 18796), (14097, 18560), (14208, 18415), (14732, 17760), (15240, 17168), (16095, 16256)]