1320201984

素因数分解:

$2^8\times 3^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 3605616000

約数和(自身を除く): 2285414016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 139, 149, 166, 192, 249, 256, 278, 298, 332, 384, 417, 447, 498, 556, 596, 664, 768, 834, 894, 996, 1112, 1192, 1328, 1668, 1788, 1992, 2224, 2384, 2656, 3336, 3576, 3984, 4448, 4768, 5312, 6672, 7152, 7968, 8896, 9536, 10624, 11537, 12367, 13344, 14304, 15936, 17792, 19072, 20711, 21248, 23074, 24734, 26688, 28608, 31872, 34611, 35584, 37101, 38144, 41422, 46148, 49468, 53376, 57216, 62133, 63744, 69222, 74202, 82844, 92296, 98936, 106752, 114432, 124266, 138444, 148404, 165688, 184592, 197872, 248532, 276888, 296808, 331376, 369184, 395744, 497064, 553776, 593616, 662752, 738368, 791488, 994128, 1107552, 1187232, 1325504, 1476736, 1582976, 1719013, 1988256, 2215104, 2374464, 2651008, 2953472, 3165952, 3438026, 3976512, 4430208, 4748928, 5157039, 5302016, 6876052, 7953024, 8860416, 9497856, 10314078, 13752104, 15906048, 20628156, 27504208, 41256312, 55008416, 82512624, 110016832, 165025248, 220033664, 330050496, 440067328, 660100992, 1320201984]

約数ペア:

[(1, 1320201984), (2, 660100992), (3, 440067328), (4, 330050496), (6, 220033664), (8, 165025248), (12, 110016832), (16, 82512624), (24, 55008416), (32, 41256312), (48, 27504208), (64, 20628156), (83, 15906048), (96, 13752104), (128, 10314078), (139, 9497856), (149, 8860416), (166, 7953024), (192, 6876052), (249, 5302016), (256, 5157039), (278, 4748928), (298, 4430208), (332, 3976512), (384, 3438026), (417, 3165952), (447, 2953472), (498, 2651008), (556, 2374464), (596, 2215104), (664, 1988256), (768, 1719013), (834, 1582976), (894, 1476736), (996, 1325504), (1112, 1187232), (1192, 1107552), (1328, 994128), (1668, 791488), (1788, 738368), (1992, 662752), (2224, 593616), (2384, 553776), (2656, 497064), (3336, 395744), (3576, 369184), (3984, 331376), (4448, 296808), (4768, 276888), (5312, 248532), (6672, 197872), (7152, 184592), (7968, 165688), (8896, 148404), (9536, 138444), (10624, 124266), (11537, 114432), (12367, 106752), (13344, 98936), (14304, 92296), (15936, 82844), (17792, 74202), (19072, 69222), (20711, 63744), (21248, 62133), (23074, 57216), (24734, 53376), (26688, 49468), (28608, 46148), (31872, 41422), (34611, 38144), (35584, 37101)]