207654480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:354

約数の個数: 240

約数和(自身を含む): 770200704

約数和(自身を除く): 562546224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 157, 165, 167, 176, 180, 198, 220, 240, 264, 314, 330, 334, 360, 396, 440, 471, 495, 501, 528, 628, 660, 668, 720, 785, 792, 835, 880, 942, 990, 1002, 1256, 1320, 1336, 1413, 1503, 1570, 1584, 1670, 1727, 1837, 1884, 1980, 2004, 2355, 2505, 2512, 2640, 2672, 2826, 3006, 3140, 3340, 3454, 3674, 3768, 3960, 4008, 4710, 5010, 5181, 5511, 5652, 6012, 6280, 6680, 6908, 7065, 7348, 7515, 7536, 7920, 8016, 8635, 9185, 9420, 10020, 10362, 11022, 11304, 12024, 12560, 13360, 13816, 14130, 14696, 15030, 15543, 16533, 17270, 18370, 18840, 20040, 20724, 22044, 22608, 24048, 25905, 26219, 27555, 27632, 28260, 29392, 30060, 31086, 33066, 34540, 36740, 37680, 40080, 41448, 44088, 51810, 52438, 55110, 56520, 60120, 62172, 66132, 69080, 73480, 77715, 78657, 82665, 82896, 88176, 103620, 104876, 110220, 113040, 120240, 124344, 131095, 132264, 138160, 146960, 155430, 157314, 165330, 207240, 209752, 220440, 235971, 248688, 262190, 264528, 288409, 310860, 314628, 330660, 393285, 414480, 419504, 440880, 471942, 524380, 576818, 621720, 629256, 661320, 786570, 865227, 943884, 1048760, 1153636, 1179855, 1243440, 1258512, 1322640, 1442045, 1573140, 1730454, 1887768, 2097520, 2307272, 2359710, 2595681, 2884090, 3146280, 3460908, 3775536, 4326135, 4614544, 4719420, 5191362, 5768180, 6292560, 6921816, 8652270, 9438840, 10382724, 11536360, 12978405, 13843632, 17304540, 18877680, 20765448, 23072720, 25956810, 34609080, 41530896, 51913620, 69218160, 103827240, 207654480]

約数ペア:

[(1, 207654480), (2, 103827240), (3, 69218160), (4, 51913620), (5, 41530896), (6, 34609080), (8, 25956810), (9, 23072720), (10, 20765448), (11, 18877680), (12, 17304540), (15, 13843632), (16, 12978405), (18, 11536360), (20, 10382724), (22, 9438840), (24, 8652270), (30, 6921816), (33, 6292560), (36, 5768180), (40, 5191362), (44, 4719420), (45, 4614544), (48, 4326135), (55, 3775536), (60, 3460908), (66, 3146280), (72, 2884090), (80, 2595681), (88, 2359710), (90, 2307272), (99, 2097520), (110, 1887768), (120, 1730454), (132, 1573140), (144, 1442045), (157, 1322640), (165, 1258512), (167, 1243440), (176, 1179855), (180, 1153636), (198, 1048760), (220, 943884), (240, 865227), (264, 786570), (314, 661320), (330, 629256), (334, 621720), (360, 576818), (396, 524380), (440, 471942), (471, 440880), (495, 419504), (501, 414480), (528, 393285), (628, 330660), (660, 314628), (668, 310860), (720, 288409), (785, 264528), (792, 262190), (835, 248688), (880, 235971), (942, 220440), (990, 209752), (1002, 207240), (1256, 165330), (1320, 157314), (1336, 155430), (1413, 146960), (1503, 138160), (1570, 132264), (1584, 131095), (1670, 124344), (1727, 120240), (1837, 113040), (1884, 110220), (1980, 104876), (2004, 103620), (2355, 88176), (2505, 82896), (2512, 82665), (2640, 78657), (2672, 77715), (2826, 73480), (3006, 69080), (3140, 66132), (3340, 62172), (3454, 60120), (3674, 56520), (3768, 55110), (3960, 52438), (4008, 51810), (4710, 44088), (5010, 41448), (5181, 40080), (5511, 37680), (5652, 36740), (6012, 34540), (6280, 33066), (6680, 31086), (6908, 30060), (7065, 29392), (7348, 28260), (7515, 27632), (7536, 27555), (7920, 26219), (8016, 25905), (8635, 24048), (9185, 22608), (9420, 22044), (10020, 20724), (10362, 20040), (11022, 18840), (11304, 18370), (12024, 17270), (12560, 16533), (13360, 15543), (13816, 15030), (14130, 14696)]