81352908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1356

約数の個数: 144

約数和(自身を含む): 266622720

約数和(自身を除く): 185269812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1307, 1482, 1596, 1638, 1729, 2223, 2394, 2614, 2964, 3276, 3458, 3921, 4446, 4788, 5187, 5228, 6916, 7842, 8892, 9149, 10374, 11763, 15561, 15684, 16991, 18298, 20748, 23526, 24833, 27447, 31122, 33982, 36596, 47052, 49666, 50973, 54894, 62244, 67964, 74499, 82341, 99332, 101946, 109788, 118937, 148998, 152919, 164682, 173831, 203892, 223497, 237874, 297996, 305838, 322829, 329364, 347662, 356811, 446994, 475748, 521493, 611676, 645658, 695324, 713622, 893988, 968487, 1042986, 1070433, 1291316, 1427244, 1564479, 1936974, 2085972, 2140866, 2259803, 2905461, 3128958, 3873948, 4281732, 4519606, 5810922, 6257916, 6779409, 9039212, 11621844, 13558818, 20338227, 27117636, 40676454, 81352908]

約数ペア:

[(1, 81352908), (2, 40676454), (3, 27117636), (4, 20338227), (6, 13558818), (7, 11621844), (9, 9039212), (12, 6779409), (13, 6257916), (14, 5810922), (18, 4519606), (19, 4281732), (21, 3873948), (26, 3128958), (28, 2905461), (36, 2259803), (38, 2140866), (39, 2085972), (42, 1936974), (52, 1564479), (57, 1427244), (63, 1291316), (76, 1070433), (78, 1042986), (84, 968487), (91, 893988), (114, 713622), (117, 695324), (126, 645658), (133, 611676), (156, 521493), (171, 475748), (182, 446994), (228, 356811), (234, 347662), (247, 329364), (252, 322829), (266, 305838), (273, 297996), (342, 237874), (364, 223497), (399, 203892), (468, 173831), (494, 164682), (532, 152919), (546, 148998), (684, 118937), (741, 109788), (798, 101946), (819, 99332), (988, 82341), (1092, 74499), (1197, 67964), (1307, 62244), (1482, 54894), (1596, 50973), (1638, 49666), (1729, 47052), (2223, 36596), (2394, 33982), (2614, 31122), (2964, 27447), (3276, 24833), (3458, 23526), (3921, 20748), (4446, 18298), (4788, 16991), (5187, 15684), (5228, 15561), (6916, 11763), (7842, 10374), (8892, 9149)]