164086720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 491581440

約数和(自身を除く): 327494720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 136, 139, 140, 155, 160, 170, 217, 224, 238, 248, 272, 278, 280, 310, 320, 340, 434, 448, 476, 496, 527, 544, 556, 560, 595, 620, 680, 695, 868, 952, 973, 992, 1054, 1085, 1088, 1112, 1120, 1190, 1240, 1360, 1390, 1736, 1904, 1946, 1984, 2108, 2170, 2224, 2240, 2363, 2380, 2480, 2635, 2720, 2780, 3472, 3689, 3808, 3892, 4216, 4309, 4340, 4448, 4726, 4760, 4865, 4960, 5270, 5440, 5560, 6944, 7378, 7616, 7784, 8432, 8618, 8680, 8896, 9452, 9520, 9730, 9920, 10540, 11120, 11815, 13888, 14756, 15568, 16541, 16864, 17236, 17360, 18445, 18904, 19040, 19460, 21080, 21545, 22240, 23630, 29512, 30163, 31136, 33082, 33728, 34472, 34720, 36890, 37808, 38080, 38920, 42160, 43090, 44480, 47260, 59024, 60326, 62272, 66164, 68944, 69440, 73253, 73780, 75616, 77840, 82705, 84320, 86180, 94520, 118048, 120652, 132328, 137888, 146506, 147560, 150815, 151232, 155680, 165410, 168640, 172360, 189040, 236096, 241304, 264656, 275776, 293012, 295120, 301630, 311360, 330820, 344720, 366265, 378080, 482608, 512771, 529312, 586024, 590240, 603260, 661640, 689440, 732530, 756160, 965216, 1025542, 1058624, 1172048, 1180480, 1206520, 1323280, 1378880, 1465060, 1930432, 2051084, 2344096, 2413040, 2563855, 2646560, 2930120, 4102168, 4688192, 4826080, 5127710, 5293120, 5860240, 8204336, 9652160, 10255420, 11720480, 16408672, 20510840, 23440960, 32817344, 41021680, 82043360, 164086720]

約数ペア:

[(1, 164086720), (2, 82043360), (4, 41021680), (5, 32817344), (7, 23440960), (8, 20510840), (10, 16408672), (14, 11720480), (16, 10255420), (17, 9652160), (20, 8204336), (28, 5860240), (31, 5293120), (32, 5127710), (34, 4826080), (35, 4688192), (40, 4102168), (56, 2930120), (62, 2646560), (64, 2563855), (68, 2413040), (70, 2344096), (80, 2051084), (85, 1930432), (112, 1465060), (119, 1378880), (124, 1323280), (136, 1206520), (139, 1180480), (140, 1172048), (155, 1058624), (160, 1025542), (170, 965216), (217, 756160), (224, 732530), (238, 689440), (248, 661640), (272, 603260), (278, 590240), (280, 586024), (310, 529312), (320, 512771), (340, 482608), (434, 378080), (448, 366265), (476, 344720), (496, 330820), (527, 311360), (544, 301630), (556, 295120), (560, 293012), (595, 275776), (620, 264656), (680, 241304), (695, 236096), (868, 189040), (952, 172360), (973, 168640), (992, 165410), (1054, 155680), (1085, 151232), (1088, 150815), (1112, 147560), (1120, 146506), (1190, 137888), (1240, 132328), (1360, 120652), (1390, 118048), (1736, 94520), (1904, 86180), (1946, 84320), (1984, 82705), (2108, 77840), (2170, 75616), (2224, 73780), (2240, 73253), (2363, 69440), (2380, 68944), (2480, 66164), (2635, 62272), (2720, 60326), (2780, 59024), (3472, 47260), (3689, 44480), (3808, 43090), (3892, 42160), (4216, 38920), (4309, 38080), (4340, 37808), (4448, 36890), (4726, 34720), (4760, 34472), (4865, 33728), (4960, 33082), (5270, 31136), (5440, 30163), (5560, 29512), (6944, 23630), (7378, 22240), (7616, 21545), (7784, 21080), (8432, 19460), (8618, 19040), (8680, 18904), (8896, 18445), (9452, 17360), (9520, 17236), (9730, 16864), (9920, 16541), (10540, 15568), (11120, 14756), (11815, 13888)]