678404272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 1724889600

約数和(自身を除く): 1046485328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 137, 152, 179, 182, 208, 247, 266, 274, 304, 358, 364, 494, 532, 548, 716, 728, 959, 988, 1064, 1096, 1253, 1432, 1456, 1729, 1781, 1918, 1976, 2128, 2192, 2327, 2506, 2603, 2864, 3401, 3458, 3562, 3836, 3952, 4654, 5012, 5206, 6802, 6916, 7124, 7672, 9308, 10024, 10412, 12467, 13604, 13832, 14248, 15344, 16289, 18221, 18616, 20048, 20824, 23807, 24523, 24934, 27208, 27664, 28496, 32578, 33839, 36442, 37232, 41648, 44213, 47614, 49046, 49868, 54416, 65156, 67678, 72884, 88426, 95228, 98092, 99736, 130312, 135356, 145768, 171661, 176852, 190456, 196184, 199472, 236873, 260624, 270712, 291536, 309491, 318799, 343322, 353704, 380912, 392368, 465937, 473746, 541424, 618982, 637598, 686644, 707408, 931874, 947492, 1237964, 1275196, 1373288, 1863748, 1894984, 2231593, 2475928, 2550392, 2746576, 3261559, 3727496, 3789968, 4463186, 4951856, 5100784, 6057181, 6523118, 7454992, 8926372, 12114362, 13046236, 17852744, 24228724, 26092472, 35705488, 42400267, 48457448, 52184944, 84800534, 96914896, 169601068, 339202136, 678404272]

約数ペア:

[(1, 678404272), (2, 339202136), (4, 169601068), (7, 96914896), (8, 84800534), (13, 52184944), (14, 48457448), (16, 42400267), (19, 35705488), (26, 26092472), (28, 24228724), (38, 17852744), (52, 13046236), (56, 12114362), (76, 8926372), (91, 7454992), (104, 6523118), (112, 6057181), (133, 5100784), (137, 4951856), (152, 4463186), (179, 3789968), (182, 3727496), (208, 3261559), (247, 2746576), (266, 2550392), (274, 2475928), (304, 2231593), (358, 1894984), (364, 1863748), (494, 1373288), (532, 1275196), (548, 1237964), (716, 947492), (728, 931874), (959, 707408), (988, 686644), (1064, 637598), (1096, 618982), (1253, 541424), (1432, 473746), (1456, 465937), (1729, 392368), (1781, 380912), (1918, 353704), (1976, 343322), (2128, 318799), (2192, 309491), (2327, 291536), (2506, 270712), (2603, 260624), (2864, 236873), (3401, 199472), (3458, 196184), (3562, 190456), (3836, 176852), (3952, 171661), (4654, 145768), (5012, 135356), (5206, 130312), (6802, 99736), (6916, 98092), (7124, 95228), (7672, 88426), (9308, 72884), (10024, 67678), (10412, 65156), (12467, 54416), (13604, 49868), (13832, 49046), (14248, 47614), (15344, 44213), (16289, 41648), (18221, 37232), (18616, 36442), (20048, 33839), (20824, 32578), (23807, 28496), (24523, 27664), (24934, 27208)]