320849568

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:188

約数の個数: 216

約数和(自身を含む): 1055261844

約数和(自身を除く): 734412276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 71, 72, 78, 96, 102, 104, 117, 136, 142, 144, 153, 156, 204, 208, 213, 221, 234, 272, 284, 288, 306, 312, 408, 416, 426, 442, 468, 544, 568, 612, 624, 639, 663, 816, 852, 884, 923, 936, 1136, 1207, 1224, 1248, 1278, 1326, 1632, 1704, 1768, 1846, 1872, 1989, 2272, 2414, 2448, 2556, 2652, 2769, 3408, 3536, 3621, 3692, 3744, 3978, 4828, 4896, 5041, 5112, 5304, 5538, 6816, 7072, 7242, 7384, 7956, 8307, 9656, 10082, 10224, 10608, 10863, 11076, 14484, 14768, 15123, 15691, 15912, 16614, 19312, 20164, 20448, 21216, 21726, 22152, 28968, 29536, 30246, 31382, 31824, 33228, 38624, 40328, 43452, 44304, 45369, 47073, 57936, 60492, 62764, 63648, 65533, 66456, 80656, 85697, 86904, 88608, 90738, 94146, 115872, 120984, 125528, 131066, 132912, 141219, 161312, 171394, 173808, 181476, 188292, 196599, 241968, 251056, 257091, 262132, 265824, 282438, 342788, 347616, 362952, 376584, 393198, 483936, 502112, 514182, 524264, 564876, 589797, 685576, 725904, 753168, 771273, 786396, 1028364, 1048528, 1114061, 1129752, 1179594, 1371152, 1451808, 1506336, 1542546, 1572792, 2056728, 2097056, 2228122, 2259504, 2359188, 2742304, 3085092, 3145584, 3342183, 4113456, 4456244, 4519008, 4718376, 6170184, 6291168, 6684366, 8226912, 8912488, 9436752, 10026549, 12340368, 13368732, 17824976, 18873504, 20053098, 24680736, 26737464, 35649952, 40106196, 53474928, 80212392, 106949856, 160424784, 320849568]

約数ペア:

[(1, 320849568), (2, 160424784), (3, 106949856), (4, 80212392), (6, 53474928), (8, 40106196), (9, 35649952), (12, 26737464), (13, 24680736), (16, 20053098), (17, 18873504), (18, 17824976), (24, 13368732), (26, 12340368), (32, 10026549), (34, 9436752), (36, 8912488), (39, 8226912), (48, 6684366), (51, 6291168), (52, 6170184), (68, 4718376), (71, 4519008), (72, 4456244), (78, 4113456), (96, 3342183), (102, 3145584), (104, 3085092), (117, 2742304), (136, 2359188), (142, 2259504), (144, 2228122), (153, 2097056), (156, 2056728), (204, 1572792), (208, 1542546), (213, 1506336), (221, 1451808), (234, 1371152), (272, 1179594), (284, 1129752), (288, 1114061), (306, 1048528), (312, 1028364), (408, 786396), (416, 771273), (426, 753168), (442, 725904), (468, 685576), (544, 589797), (568, 564876), (612, 524264), (624, 514182), (639, 502112), (663, 483936), (816, 393198), (852, 376584), (884, 362952), (923, 347616), (936, 342788), (1136, 282438), (1207, 265824), (1224, 262132), (1248, 257091), (1278, 251056), (1326, 241968), (1632, 196599), (1704, 188292), (1768, 181476), (1846, 173808), (1872, 171394), (1989, 161312), (2272, 141219), (2414, 132912), (2448, 131066), (2556, 125528), (2652, 120984), (2769, 115872), (3408, 94146), (3536, 90738), (3621, 88608), (3692, 86904), (3744, 85697), (3978, 80656), (4828, 66456), (4896, 65533), (5041, 63648), (5112, 62764), (5304, 60492), (5538, 57936), (6816, 47073), (7072, 45369), (7242, 44304), (7384, 43452), (7956, 40328), (8307, 38624), (9656, 33228), (10082, 31824), (10224, 31382), (10608, 30246), (10863, 29536), (11076, 28968), (14484, 22152), (14768, 21726), (15123, 21216), (15691, 20448), (15912, 20164), (16614, 19312)]