78417864

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 256763520

約数和(自身を除く): 178345656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 361, 399, 431, 456, 504, 532, 684, 722, 798, 862, 1064, 1083, 1197, 1293, 1368, 1444, 1596, 1724, 2166, 2394, 2527, 2586, 2888, 3017, 3192, 3249, 3448, 3879, 4332, 4788, 5054, 5172, 6034, 6498, 7581, 7758, 8189, 8664, 9051, 9576, 10108, 10344, 12068, 12996, 15162, 15516, 16378, 18102, 20216, 22743, 24136, 24567, 25992, 27153, 30324, 31032, 32756, 36204, 45486, 49134, 54306, 57323, 60648, 65512, 72408, 73701, 90972, 98268, 108612, 114646, 147402, 155591, 171969, 181944, 196536, 217224, 229292, 294804, 311182, 343938, 458584, 466773, 515907, 589608, 622364, 687876, 933546, 1031814, 1089137, 1244728, 1375752, 1400319, 1867092, 2063628, 2178274, 2800638, 3267411, 3734184, 4127256, 4356548, 5601276, 6534822, 8713096, 9802233, 11202552, 13069644, 19604466, 26139288, 39208932, 78417864]

約数ペア:

[(1, 78417864), (2, 39208932), (3, 26139288), (4, 19604466), (6, 13069644), (7, 11202552), (8, 9802233), (9, 8713096), (12, 6534822), (14, 5601276), (18, 4356548), (19, 4127256), (21, 3734184), (24, 3267411), (28, 2800638), (36, 2178274), (38, 2063628), (42, 1867092), (56, 1400319), (57, 1375752), (63, 1244728), (72, 1089137), (76, 1031814), (84, 933546), (114, 687876), (126, 622364), (133, 589608), (152, 515907), (168, 466773), (171, 458584), (228, 343938), (252, 311182), (266, 294804), (342, 229292), (361, 217224), (399, 196536), (431, 181944), (456, 171969), (504, 155591), (532, 147402), (684, 114646), (722, 108612), (798, 98268), (862, 90972), (1064, 73701), (1083, 72408), (1197, 65512), (1293, 60648), (1368, 57323), (1444, 54306), (1596, 49134), (1724, 45486), (2166, 36204), (2394, 32756), (2527, 31032), (2586, 30324), (2888, 27153), (3017, 25992), (3192, 24567), (3249, 24136), (3448, 22743), (3879, 20216), (4332, 18102), (4788, 16378), (5054, 15516), (5172, 15162), (6034, 12996), (6498, 12068), (7581, 10344), (7758, 10108), (8189, 9576), (8664, 9051)]