81707304

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 259536960

約数和(自身を除く): 177829656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 61, 67, 68, 84, 98, 102, 119, 122, 134, 136, 147, 168, 183, 196, 201, 204, 238, 244, 268, 294, 357, 366, 392, 402, 408, 427, 469, 476, 488, 536, 588, 714, 732, 804, 833, 854, 938, 952, 1037, 1139, 1176, 1281, 1407, 1428, 1464, 1608, 1666, 1708, 1876, 2074, 2278, 2499, 2562, 2814, 2856, 2989, 3111, 3283, 3332, 3416, 3417, 3752, 4087, 4148, 4556, 4998, 5124, 5628, 5978, 6222, 6566, 6664, 6834, 7259, 7973, 8174, 8296, 8967, 9112, 9849, 9996, 10248, 11256, 11956, 12261, 12444, 13132, 13668, 14518, 15946, 16348, 17934, 19698, 19992, 21777, 23912, 23919, 24522, 24888, 26264, 27336, 28609, 29036, 31892, 32696, 35868, 39396, 43554, 47838, 49044, 50813, 55811, 57218, 58072, 63784, 69479, 71736, 78792, 85827, 87108, 95676, 98088, 101626, 111622, 114436, 138958, 152439, 167433, 171654, 174216, 191352, 200263, 203252, 208437, 223244, 228872, 277916, 304878, 334866, 343308, 400526, 406504, 416874, 446488, 486353, 555832, 600789, 609756, 669732, 686616, 801052, 833748, 972706, 1201578, 1219512, 1339464, 1459059, 1602104, 1667496, 1945412, 2403156, 2918118, 3404471, 3890824, 4806312, 5836236, 6808942, 10213413, 11672472, 13617884, 20426826, 27235768, 40853652, 81707304]

約数ペア:

[(1, 81707304), (2, 40853652), (3, 27235768), (4, 20426826), (6, 13617884), (7, 11672472), (8, 10213413), (12, 6808942), (14, 5836236), (17, 4806312), (21, 3890824), (24, 3404471), (28, 2918118), (34, 2403156), (42, 1945412), (49, 1667496), (51, 1602104), (56, 1459059), (61, 1339464), (67, 1219512), (68, 1201578), (84, 972706), (98, 833748), (102, 801052), (119, 686616), (122, 669732), (134, 609756), (136, 600789), (147, 555832), (168, 486353), (183, 446488), (196, 416874), (201, 406504), (204, 400526), (238, 343308), (244, 334866), (268, 304878), (294, 277916), (357, 228872), (366, 223244), (392, 208437), (402, 203252), (408, 200263), (427, 191352), (469, 174216), (476, 171654), (488, 167433), (536, 152439), (588, 138958), (714, 114436), (732, 111622), (804, 101626), (833, 98088), (854, 95676), (938, 87108), (952, 85827), (1037, 78792), (1139, 71736), (1176, 69479), (1281, 63784), (1407, 58072), (1428, 57218), (1464, 55811), (1608, 50813), (1666, 49044), (1708, 47838), (1876, 43554), (2074, 39396), (2278, 35868), (2499, 32696), (2562, 31892), (2814, 29036), (2856, 28609), (2989, 27336), (3111, 26264), (3283, 24888), (3332, 24522), (3416, 23919), (3417, 23912), (3752, 21777), (4087, 19992), (4148, 19698), (4556, 17934), (4998, 16348), (5124, 15946), (5628, 14518), (5978, 13668), (6222, 13132), (6566, 12444), (6664, 12261), (6834, 11956), (7259, 11256), (7973, 10248), (8174, 9996), (8296, 9849), (8967, 9112)]