221487840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 432

約数和(自身を含む): 911999088

約数和(自身を除く): 690511248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 49, 56, 60, 63, 70, 72, 73, 80, 84, 86, 90, 96, 98, 105, 112, 120, 126, 129, 140, 144, 146, 147, 160, 168, 172, 180, 196, 210, 215, 219, 224, 240, 245, 252, 258, 280, 288, 292, 294, 301, 315, 336, 344, 360, 365, 387, 392, 420, 430, 438, 441, 480, 490, 504, 511, 516, 560, 584, 588, 602, 630, 645, 657, 672, 688, 720, 730, 735, 774, 784, 840, 860, 876, 882, 903, 980, 1008, 1022, 1032, 1095, 1120, 1168, 1176, 1204, 1260, 1290, 1314, 1376, 1440, 1460, 1470, 1505, 1533, 1548, 1568, 1680, 1720, 1752, 1764, 1806, 1935, 1960, 2016, 2044, 2064, 2107, 2190, 2205, 2336, 2352, 2408, 2520, 2555, 2580, 2628, 2709, 2920, 2940, 3010, 3066, 3096, 3139, 3285, 3360, 3440, 3504, 3528, 3577, 3612, 3870, 3920, 4088, 4128, 4214, 4380, 4410, 4515, 4599, 4704, 4816, 5040, 5110, 5160, 5256, 5418, 5840, 5880, 6020, 6132, 6192, 6278, 6321, 6570, 6880, 7008, 7056, 7154, 7224, 7665, 7740, 7840, 8176, 8428, 8760, 8820, 9030, 9198, 9417, 9632, 10080, 10220, 10320, 10512, 10535, 10731, 10836, 11680, 11760, 12040, 12264, 12384, 12556, 12642, 13140, 13545, 14112, 14308, 14448, 15330, 15480, 15695, 16352, 16856, 17520, 17640, 17885, 18060, 18396, 18834, 18963, 20440, 20640, 21024, 21070, 21462, 21672, 21973, 22995, 23520, 24080, 24528, 25112, 25284, 26280, 27090, 28251, 28616, 28896, 30660, 30960, 31390, 31605, 32193, 33712, 35040, 35280, 35770, 36120, 36792, 37668, 37926, 40880, 42140, 42924, 43344, 43946, 45990, 47085, 48160, 49056, 50224, 50568, 52560, 53655, 54180, 56502, 57232, 61320, 61920, 62780, 63210, 64386, 65919, 67424, 70560, 71540, 72240, 73584, 75336, 75852, 81760, 84280, 85848, 86688, 87892, 91980, 94170, 94815, 100448, 101136, 105120, 107310, 108360, 109865, 113004, 114464, 122640, 125560, 126420, 128772, 131838, 141255, 143080, 144480, 147168, 150672, 151704, 153811, 160965, 168560, 171696, 175784, 183960, 188340, 189630, 197757, 202272, 214620, 216720, 219730, 226008, 245280, 251120, 252840, 257544, 263676, 282510, 286160, 301344, 303408, 307622, 321930, 329595, 337120, 343392, 351568, 367920, 376680, 379260, 395514, 429240, 433440, 439460, 452016, 461433, 502240, 505680, 515088, 527352, 565020, 572320, 606816, 615244, 643860, 659190, 703136, 735840, 753360, 758520, 769055, 791028, 858480, 878920, 904032, 922866, 988785, 1011360, 1030176, 1054704, 1130040, 1230488, 1287720, 1318380, 1384299, 1506720, 1517040, 1538110, 1582056, 1716960, 1757840, 1845732, 1977570, 2109408, 2260080, 2307165, 2460976, 2575440, 2636760, 2768598, 3034080, 3076220, 3164112, 3515680, 3691464, 3955140, 4520160, 4614330, 4921952, 5150880, 5273520, 5537196, 6152440, 6328224, 6921495, 7382928, 7910280, 9228660, 10547040, 11074392, 12304880, 13842990, 14765856, 15820560, 18457320, 22148784, 24609760, 27685980, 31641120, 36914640, 44297568, 55371960, 73829280, 110743920, 221487840]

約数ペア:

[(1, 221487840), (2, 110743920), (3, 73829280), (4, 55371960), (5, 44297568), (6, 36914640), (7, 31641120), (8, 27685980), (9, 24609760), (10, 22148784), (12, 18457320), (14, 15820560), (15, 14765856), (16, 13842990), (18, 12304880), (20, 11074392), (21, 10547040), (24, 9228660), (28, 7910280), (30, 7382928), (32, 6921495), (35, 6328224), (36, 6152440), (40, 5537196), (42, 5273520), (43, 5150880), (45, 4921952), (48, 4614330), (49, 4520160), (56, 3955140), (60, 3691464), (63, 3515680), (70, 3164112), (72, 3076220), (73, 3034080), (80, 2768598), (84, 2636760), (86, 2575440), (90, 2460976), (96, 2307165), (98, 2260080), (105, 2109408), (112, 1977570), (120, 1845732), (126, 1757840), (129, 1716960), (140, 1582056), (144, 1538110), (146, 1517040), (147, 1506720), (160, 1384299), (168, 1318380), (172, 1287720), (180, 1230488), (196, 1130040), (210, 1054704), (215, 1030176), (219, 1011360), (224, 988785), (240, 922866), (245, 904032), (252, 878920), (258, 858480), (280, 791028), (288, 769055), (292, 758520), (294, 753360), (301, 735840), (315, 703136), (336, 659190), (344, 643860), (360, 615244), (365, 606816), (387, 572320), (392, 565020), (420, 527352), (430, 515088), (438, 505680), (441, 502240), (480, 461433), (490, 452016), (504, 439460), (511, 433440), (516, 429240), (560, 395514), (584, 379260), (588, 376680), (602, 367920), (630, 351568), (645, 343392), (657, 337120), (672, 329595), (688, 321930), (720, 307622), (730, 303408), (735, 301344), (774, 286160), (784, 282510), (840, 263676), (860, 257544), (876, 252840), (882, 251120), (903, 245280), (980, 226008), (1008, 219730), (1022, 216720), (1032, 214620), (1095, 202272), (1120, 197757), (1168, 189630), (1176, 188340), (1204, 183960), (1260, 175784), (1290, 171696), (1314, 168560), (1376, 160965), (1440, 153811), (1460, 151704), (1470, 150672), (1505, 147168), (1533, 144480), (1548, 143080), (1568, 141255), (1680, 131838), (1720, 128772), (1752, 126420), (1764, 125560), (1806, 122640), (1935, 114464), (1960, 113004), (2016, 109865), (2044, 108360), (2064, 107310), (2107, 105120), (2190, 101136), (2205, 100448), (2336, 94815), (2352, 94170), (2408, 91980), (2520, 87892), (2555, 86688), (2580, 85848), (2628, 84280), (2709, 81760), (2920, 75852), (2940, 75336), (3010, 73584), (3066, 72240), (3096, 71540), (3139, 70560), (3285, 67424), (3360, 65919), (3440, 64386), (3504, 63210), (3528, 62780), (3577, 61920), (3612, 61320), (3870, 57232), (3920, 56502), (4088, 54180), (4128, 53655), (4214, 52560), (4380, 50568), (4410, 50224), (4515, 49056), (4599, 48160), (4704, 47085), (4816, 45990), (5040, 43946), (5110, 43344), (5160, 42924), (5256, 42140), (5418, 40880), (5840, 37926), (5880, 37668), (6020, 36792), (6132, 36120), (6192, 35770), (6278, 35280), (6321, 35040), (6570, 33712), (6880, 32193), (7008, 31605), (7056, 31390), (7154, 30960), (7224, 30660), (7665, 28896), (7740, 28616), (7840, 28251), (8176, 27090), (8428, 26280), (8760, 25284), (8820, 25112), (9030, 24528), (9198, 24080), (9417, 23520), (9632, 22995), (10080, 21973), (10220, 21672), (10320, 21462), (10512, 21070), (10535, 21024), (10731, 20640), (10836, 20440), (11680, 18963), (11760, 18834), (12040, 18396), (12264, 18060), (12384, 17885), (12556, 17640), (12642, 17520), (13140, 16856), (13545, 16352), (14112, 15695), (14308, 15480), (14448, 15330)]