81628704

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 246564864

約数和(自身を除く): 164936160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 41, 48, 62, 72, 82, 93, 96, 123, 124, 144, 164, 186, 223, 246, 248, 279, 288, 328, 369, 372, 446, 492, 496, 558, 656, 669, 738, 744, 892, 984, 992, 1116, 1271, 1312, 1338, 1476, 1488, 1784, 1968, 2007, 2232, 2542, 2676, 2952, 2976, 3568, 3813, 3936, 4014, 4464, 5084, 5352, 5904, 6913, 7136, 7626, 8028, 8928, 9143, 10168, 10704, 11439, 11808, 13826, 15252, 16056, 18286, 20336, 20739, 21408, 22878, 27429, 27652, 30504, 32112, 36572, 40672, 41478, 45756, 54858, 55304, 61008, 62217, 64224, 73144, 82287, 82956, 91512, 109716, 110608, 122016, 124434, 146288, 164574, 165912, 183024, 219432, 221216, 248868, 283433, 292576, 329148, 331824, 366048, 438864, 497736, 566866, 658296, 663648, 850299, 877728, 995472, 1133732, 1316592, 1700598, 1990944, 2267464, 2550897, 2633184, 3401196, 4534928, 5101794, 6802392, 9069856, 10203588, 13604784, 20407176, 27209568, 40814352, 81628704]

約数ペア:

[(1, 81628704), (2, 40814352), (3, 27209568), (4, 20407176), (6, 13604784), (8, 10203588), (9, 9069856), (12, 6802392), (16, 5101794), (18, 4534928), (24, 3401196), (31, 2633184), (32, 2550897), (36, 2267464), (41, 1990944), (48, 1700598), (62, 1316592), (72, 1133732), (82, 995472), (93, 877728), (96, 850299), (123, 663648), (124, 658296), (144, 566866), (164, 497736), (186, 438864), (223, 366048), (246, 331824), (248, 329148), (279, 292576), (288, 283433), (328, 248868), (369, 221216), (372, 219432), (446, 183024), (492, 165912), (496, 164574), (558, 146288), (656, 124434), (669, 122016), (738, 110608), (744, 109716), (892, 91512), (984, 82956), (992, 82287), (1116, 73144), (1271, 64224), (1312, 62217), (1338, 61008), (1476, 55304), (1488, 54858), (1784, 45756), (1968, 41478), (2007, 40672), (2232, 36572), (2542, 32112), (2676, 30504), (2952, 27652), (2976, 27429), (3568, 22878), (3813, 21408), (3936, 20739), (4014, 20336), (4464, 18286), (5084, 16056), (5352, 15252), (5904, 13826), (6913, 11808), (7136, 11439), (7626, 10704), (8028, 10168), (8928, 9143)]