51913620

素因数分解:

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

素因数の和:350

約数の個数: 144

約数和(自身を含む): 173916288

約数和(自身を除く): 122002668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 167, 180, 198, 220, 314, 330, 334, 396, 471, 495, 501, 628, 660, 668, 785, 835, 942, 990, 1002, 1413, 1503, 1570, 1670, 1727, 1837, 1884, 1980, 2004, 2355, 2505, 2826, 3006, 3140, 3340, 3454, 3674, 4710, 5010, 5181, 5511, 5652, 6012, 6908, 7065, 7348, 7515, 8635, 9185, 9420, 10020, 10362, 11022, 14130, 15030, 15543, 16533, 17270, 18370, 20724, 22044, 25905, 26219, 27555, 28260, 30060, 31086, 33066, 34540, 36740, 51810, 52438, 55110, 62172, 66132, 77715, 78657, 82665, 103620, 104876, 110220, 131095, 155430, 157314, 165330, 235971, 262190, 288409, 310860, 314628, 330660, 393285, 471942, 524380, 576818, 786570, 865227, 943884, 1153636, 1179855, 1442045, 1573140, 1730454, 2359710, 2595681, 2884090, 3460908, 4326135, 4719420, 5191362, 5768180, 8652270, 10382724, 12978405, 17304540, 25956810, 51913620]

約数ペア:

[(1, 51913620), (2, 25956810), (3, 17304540), (4, 12978405), (5, 10382724), (6, 8652270), (9, 5768180), (10, 5191362), (11, 4719420), (12, 4326135), (15, 3460908), (18, 2884090), (20, 2595681), (22, 2359710), (30, 1730454), (33, 1573140), (36, 1442045), (44, 1179855), (45, 1153636), (55, 943884), (60, 865227), (66, 786570), (90, 576818), (99, 524380), (110, 471942), (132, 393285), (157, 330660), (165, 314628), (167, 310860), (180, 288409), (198, 262190), (220, 235971), (314, 165330), (330, 157314), (334, 155430), (396, 131095), (471, 110220), (495, 104876), (501, 103620), (628, 82665), (660, 78657), (668, 77715), (785, 66132), (835, 62172), (942, 55110), (990, 52438), (1002, 51810), (1413, 36740), (1503, 34540), (1570, 33066), (1670, 31086), (1727, 30060), (1837, 28260), (1884, 27555), (1980, 26219), (2004, 25905), (2355, 22044), (2505, 20724), (2826, 18370), (3006, 17270), (3140, 16533), (3340, 15543), (3454, 15030), (3674, 14130), (4710, 11022), (5010, 10362), (5181, 10020), (5511, 9420), (5652, 9185), (6012, 8635), (6908, 7515), (7065, 7348)]