81814152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 250214400

約数和(自身を除く): 168400248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 71, 76, 84, 114, 133, 142, 152, 168, 213, 228, 266, 284, 361, 399, 426, 456, 497, 532, 568, 722, 798, 852, 994, 1064, 1083, 1349, 1444, 1491, 1596, 1704, 1988, 2166, 2527, 2698, 2888, 2982, 3192, 3976, 4047, 4332, 5054, 5396, 5964, 6859, 7581, 8094, 8664, 9443, 10108, 10792, 11928, 13718, 15162, 16188, 18886, 20216, 20577, 25631, 27436, 28329, 30324, 32376, 37772, 41154, 48013, 51262, 54872, 56658, 60648, 75544, 76893, 82308, 96026, 102524, 113316, 144039, 153786, 164616, 179417, 192052, 205048, 226632, 288078, 307572, 358834, 384104, 486989, 538251, 576156, 615144, 717668, 973978, 1076502, 1152312, 1435336, 1460967, 1947956, 2153004, 2921934, 3408923, 3895912, 4306008, 5843868, 6817846, 10226769, 11687736, 13635692, 20453538, 27271384, 40907076, 81814152]

約数ペア:

[(1, 81814152), (2, 40907076), (3, 27271384), (4, 20453538), (6, 13635692), (7, 11687736), (8, 10226769), (12, 6817846), (14, 5843868), (19, 4306008), (21, 3895912), (24, 3408923), (28, 2921934), (38, 2153004), (42, 1947956), (56, 1460967), (57, 1435336), (71, 1152312), (76, 1076502), (84, 973978), (114, 717668), (133, 615144), (142, 576156), (152, 538251), (168, 486989), (213, 384104), (228, 358834), (266, 307572), (284, 288078), (361, 226632), (399, 205048), (426, 192052), (456, 179417), (497, 164616), (532, 153786), (568, 144039), (722, 113316), (798, 102524), (852, 96026), (994, 82308), (1064, 76893), (1083, 75544), (1349, 60648), (1444, 56658), (1491, 54872), (1596, 51262), (1704, 48013), (1988, 41154), (2166, 37772), (2527, 32376), (2698, 30324), (2888, 28329), (2982, 27436), (3192, 25631), (3976, 20577), (4047, 20216), (4332, 18886), (5054, 16188), (5396, 15162), (5964, 13718), (6859, 11928), (7581, 10792), (8094, 10108), (8664, 9443)]