81089008

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 216986112

約数和(自身を除く): 135897104

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 61, 77, 83, 88, 91, 104, 112, 122, 143, 154, 166, 176, 182, 208, 244, 286, 308, 332, 364, 427, 488, 572, 581, 616, 664, 671, 728, 793, 854, 913, 976, 1001, 1079, 1144, 1162, 1232, 1328, 1342, 1456, 1586, 1708, 1826, 2002, 2158, 2288, 2324, 2684, 3172, 3416, 3652, 4004, 4316, 4648, 4697, 5063, 5368, 5551, 6344, 6391, 6832, 7304, 7553, 8008, 8632, 8723, 9296, 9394, 10126, 10736, 11102, 11869, 12688, 12782, 14608, 15106, 16016, 17264, 17446, 18788, 20252, 22204, 23738, 25564, 30212, 34892, 35441, 37576, 40504, 44408, 47476, 51128, 55693, 60424, 61061, 65819, 69784, 70882, 75152, 81008, 83083, 88816, 94952, 102256, 111386, 120848, 122122, 131638, 139568, 141764, 166166, 189904, 222772, 244244, 263276, 283528, 332332, 389851, 445544, 460733, 488488, 526552, 567056, 664664, 724009, 779702, 891088, 921466, 976976, 1053104, 1329328, 1448018, 1559404, 1842932, 2896036, 3118808, 3685864, 5068063, 5792072, 6237616, 7371728, 10136126, 11584144, 20272252, 40544504, 81089008]

約数ペア:

[(1, 81089008), (2, 40544504), (4, 20272252), (7, 11584144), (8, 10136126), (11, 7371728), (13, 6237616), (14, 5792072), (16, 5068063), (22, 3685864), (26, 3118808), (28, 2896036), (44, 1842932), (52, 1559404), (56, 1448018), (61, 1329328), (77, 1053104), (83, 976976), (88, 921466), (91, 891088), (104, 779702), (112, 724009), (122, 664664), (143, 567056), (154, 526552), (166, 488488), (176, 460733), (182, 445544), (208, 389851), (244, 332332), (286, 283528), (308, 263276), (332, 244244), (364, 222772), (427, 189904), (488, 166166), (572, 141764), (581, 139568), (616, 131638), (664, 122122), (671, 120848), (728, 111386), (793, 102256), (854, 94952), (913, 88816), (976, 83083), (1001, 81008), (1079, 75152), (1144, 70882), (1162, 69784), (1232, 65819), (1328, 61061), (1342, 60424), (1456, 55693), (1586, 51128), (1708, 47476), (1826, 44408), (2002, 40504), (2158, 37576), (2288, 35441), (2324, 34892), (2684, 30212), (3172, 25564), (3416, 23738), (3652, 22204), (4004, 20252), (4316, 18788), (4648, 17446), (4697, 17264), (5063, 16016), (5368, 15106), (5551, 14608), (6344, 12782), (6391, 12688), (6832, 11869), (7304, 11102), (7553, 10736), (8008, 10126), (8632, 9394), (8723, 9296)]