490631280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 1586952000

約数和(自身を除く): 1096320720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 157, 174, 232, 240, 290, 314, 348, 435, 449, 464, 471, 580, 628, 696, 785, 870, 898, 942, 1160, 1256, 1347, 1392, 1570, 1740, 1796, 1884, 2245, 2320, 2355, 2512, 2694, 3140, 3480, 3592, 3768, 4490, 4553, 4710, 5388, 6280, 6735, 6960, 7184, 7536, 8980, 9106, 9420, 10776, 12560, 13021, 13470, 13659, 17960, 18212, 18840, 21552, 22765, 26042, 26940, 27318, 35920, 36424, 37680, 39063, 45530, 52084, 53880, 54636, 65105, 68295, 70493, 72848, 78126, 91060, 104168, 107760, 109272, 130210, 136590, 140986, 156252, 182120, 195315, 208336, 211479, 218544, 260420, 273180, 281972, 312504, 352465, 364240, 390630, 422958, 520840, 546360, 563944, 625008, 704930, 781260, 845916, 1041680, 1057395, 1092720, 1127888, 1409860, 1562520, 1691832, 2044297, 2114790, 2819720, 3125040, 3383664, 4088594, 4229580, 5639440, 6132891, 8177188, 8459160, 10221485, 12265782, 16354376, 16918320, 20442970, 24531564, 30664455, 32708752, 40885940, 49063128, 61328910, 81771880, 98126256, 122657820, 163543760, 245315640, 490631280]

約数ペア:

[(1, 490631280), (2, 245315640), (3, 163543760), (4, 122657820), (5, 98126256), (6, 81771880), (8, 61328910), (10, 49063128), (12, 40885940), (15, 32708752), (16, 30664455), (20, 24531564), (24, 20442970), (29, 16918320), (30, 16354376), (40, 12265782), (48, 10221485), (58, 8459160), (60, 8177188), (80, 6132891), (87, 5639440), (116, 4229580), (120, 4088594), (145, 3383664), (157, 3125040), (174, 2819720), (232, 2114790), (240, 2044297), (290, 1691832), (314, 1562520), (348, 1409860), (435, 1127888), (449, 1092720), (464, 1057395), (471, 1041680), (580, 845916), (628, 781260), (696, 704930), (785, 625008), (870, 563944), (898, 546360), (942, 520840), (1160, 422958), (1256, 390630), (1347, 364240), (1392, 352465), (1570, 312504), (1740, 281972), (1796, 273180), (1884, 260420), (2245, 218544), (2320, 211479), (2355, 208336), (2512, 195315), (2694, 182120), (3140, 156252), (3480, 140986), (3592, 136590), (3768, 130210), (4490, 109272), (4553, 107760), (4710, 104168), (5388, 91060), (6280, 78126), (6735, 72848), (6960, 70493), (7184, 68295), (7536, 65105), (8980, 54636), (9106, 53880), (9420, 52084), (10776, 45530), (12560, 39063), (13021, 37680), (13470, 36424), (13659, 35920), (17960, 27318), (18212, 26940), (18840, 26042), (21552, 22765)]