390440160

素因数分解:

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

素因数の和:346

約数の個数: 216

約数和(自身を含む): 1462819176

約数和(自身を除く): 1072379016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 157, 160, 165, 176, 180, 198, 220, 240, 264, 288, 314, 330, 352, 360, 396, 440, 471, 480, 495, 528, 628, 660, 720, 785, 792, 880, 942, 990, 1056, 1256, 1320, 1413, 1440, 1570, 1584, 1727, 1760, 1884, 1980, 2355, 2512, 2640, 2826, 3140, 3168, 3454, 3768, 3960, 4710, 5024, 5181, 5280, 5652, 6280, 6908, 7065, 7536, 7920, 8635, 9420, 10362, 11304, 12560, 13816, 14130, 15072, 15543, 15840, 17270, 18840, 20724, 22608, 24649, 25120, 25905, 27632, 28260, 31086, 34540, 37680, 41448, 45216, 49298, 51810, 55264, 56520, 62172, 69080, 73947, 75360, 77715, 82896, 98596, 103620, 113040, 123245, 124344, 138160, 147894, 155430, 165792, 197192, 207240, 221841, 226080, 246490, 248688, 271139, 276320, 295788, 310860, 369735, 394384, 414480, 443682, 492980, 497376, 542278, 591576, 621720, 739470, 788768, 813417, 828960, 887364, 985960, 1084556, 1109205, 1183152, 1243440, 1355695, 1478940, 1626834, 1774728, 1971920, 2169112, 2218410, 2366304, 2440251, 2486880, 2711390, 2957880, 3253668, 3549456, 3943840, 4067085, 4338224, 4436820, 4880502, 5422780, 5915760, 6507336, 7098912, 8134170, 8676448, 8873640, 9761004, 10845560, 11831520, 12201255, 13014672, 16268340, 17747280, 19522008, 21691120, 24402510, 26029344, 32536680, 35494560, 39044016, 43382240, 48805020, 65073360, 78088032, 97610040, 130146720, 195220080, 390440160]

約数ペア:

[(1, 390440160), (2, 195220080), (3, 130146720), (4, 97610040), (5, 78088032), (6, 65073360), (8, 48805020), (9, 43382240), (10, 39044016), (11, 35494560), (12, 32536680), (15, 26029344), (16, 24402510), (18, 21691120), (20, 19522008), (22, 17747280), (24, 16268340), (30, 13014672), (32, 12201255), (33, 11831520), (36, 10845560), (40, 9761004), (44, 8873640), (45, 8676448), (48, 8134170), (55, 7098912), (60, 6507336), (66, 5915760), (72, 5422780), (80, 4880502), (88, 4436820), (90, 4338224), (96, 4067085), (99, 3943840), (110, 3549456), (120, 3253668), (132, 2957880), (144, 2711390), (157, 2486880), (160, 2440251), (165, 2366304), (176, 2218410), (180, 2169112), (198, 1971920), (220, 1774728), (240, 1626834), (264, 1478940), (288, 1355695), (314, 1243440), (330, 1183152), (352, 1109205), (360, 1084556), (396, 985960), (440, 887364), (471, 828960), (480, 813417), (495, 788768), (528, 739470), (628, 621720), (660, 591576), (720, 542278), (785, 497376), (792, 492980), (880, 443682), (942, 414480), (990, 394384), (1056, 369735), (1256, 310860), (1320, 295788), (1413, 276320), (1440, 271139), (1570, 248688), (1584, 246490), (1727, 226080), (1760, 221841), (1884, 207240), (1980, 197192), (2355, 165792), (2512, 155430), (2640, 147894), (2826, 138160), (3140, 124344), (3168, 123245), (3454, 113040), (3768, 103620), (3960, 98596), (4710, 82896), (5024, 77715), (5181, 75360), (5280, 73947), (5652, 69080), (6280, 62172), (6908, 56520), (7065, 55264), (7536, 51810), (7920, 49298), (8635, 45216), (9420, 41448), (10362, 37680), (11304, 34540), (12560, 31086), (13816, 28260), (14130, 27632), (15072, 25905), (15543, 25120), (15840, 24649), (17270, 22608), (18840, 20724)]