158978976

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 464849280

約数和(自身を除く): 305870304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 78, 82, 96, 104, 123, 156, 164, 169, 208, 239, 246, 312, 328, 338, 416, 478, 492, 507, 533, 624, 656, 676, 717, 956, 984, 1014, 1066, 1248, 1312, 1352, 1434, 1599, 1912, 1968, 2028, 2132, 2704, 2868, 3107, 3198, 3824, 3936, 4056, 4264, 5408, 5736, 6214, 6396, 6929, 7648, 8112, 8528, 9321, 9799, 11472, 12428, 12792, 13858, 16224, 17056, 18642, 19598, 20787, 22944, 24856, 25584, 27716, 29397, 37284, 39196, 40391, 41574, 49712, 51168, 55432, 58794, 74568, 78392, 80782, 83148, 99424, 110864, 117588, 121173, 127387, 149136, 156784, 161564, 166296, 221728, 235176, 242346, 254774, 298272, 313568, 323128, 332592, 382161, 470352, 484692, 509548, 646256, 665184, 764322, 940704, 969384, 1019096, 1292512, 1528644, 1656031, 1938768, 2038192, 3057288, 3312062, 3877536, 4076384, 4968093, 6114576, 6624124, 9936186, 12229152, 13248248, 19872372, 26496496, 39744744, 52992992, 79489488, 158978976]

約数ペア:

[(1, 158978976), (2, 79489488), (3, 52992992), (4, 39744744), (6, 26496496), (8, 19872372), (12, 13248248), (13, 12229152), (16, 9936186), (24, 6624124), (26, 6114576), (32, 4968093), (39, 4076384), (41, 3877536), (48, 3312062), (52, 3057288), (78, 2038192), (82, 1938768), (96, 1656031), (104, 1528644), (123, 1292512), (156, 1019096), (164, 969384), (169, 940704), (208, 764322), (239, 665184), (246, 646256), (312, 509548), (328, 484692), (338, 470352), (416, 382161), (478, 332592), (492, 323128), (507, 313568), (533, 298272), (624, 254774), (656, 242346), (676, 235176), (717, 221728), (956, 166296), (984, 161564), (1014, 156784), (1066, 149136), (1248, 127387), (1312, 121173), (1352, 117588), (1434, 110864), (1599, 99424), (1912, 83148), (1968, 80782), (2028, 78392), (2132, 74568), (2704, 58794), (2868, 55432), (3107, 51168), (3198, 49712), (3824, 41574), (3936, 40391), (4056, 39196), (4264, 37284), (5408, 29397), (5736, 27716), (6214, 25584), (6396, 24856), (6929, 22944), (7648, 20787), (8112, 19598), (8528, 18642), (9321, 17056), (9799, 16224), (11472, 13858), (12428, 12792)]