268368464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 687456000

約数和(自身を除く): 419087536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 89, 91, 104, 109, 112, 133, 152, 178, 182, 208, 218, 247, 266, 304, 356, 364, 436, 494, 532, 623, 712, 728, 763, 872, 988, 1064, 1157, 1246, 1417, 1424, 1456, 1526, 1691, 1729, 1744, 1976, 2071, 2128, 2314, 2492, 2834, 3052, 3382, 3458, 3952, 4142, 4628, 4984, 5668, 6104, 6764, 6916, 8099, 8284, 9256, 9701, 9919, 9968, 11336, 11837, 12208, 13528, 13832, 14497, 16198, 16568, 18512, 19402, 19838, 21983, 22672, 23674, 26923, 27056, 27664, 28994, 32396, 33136, 38804, 39676, 43966, 47348, 53846, 57988, 64792, 67907, 77608, 79352, 87932, 94696, 107692, 115976, 126113, 129584, 135814, 153881, 155216, 158704, 175864, 184319, 188461, 189392, 215384, 231952, 252226, 271628, 307762, 351728, 368638, 376922, 430768, 504452, 543256, 615524, 737276, 753844, 882791, 1008904, 1086512, 1231048, 1290233, 1474552, 1507688, 1765582, 2017808, 2396147, 2462096, 2580466, 2949104, 3015376, 3531164, 4792294, 5160932, 7062328, 9584588, 10321864, 14124656, 16773029, 19169176, 20643728, 33546058, 38338352, 67092116, 134184232, 268368464]

約数ペア:

[(1, 268368464), (2, 134184232), (4, 67092116), (7, 38338352), (8, 33546058), (13, 20643728), (14, 19169176), (16, 16773029), (19, 14124656), (26, 10321864), (28, 9584588), (38, 7062328), (52, 5160932), (56, 4792294), (76, 3531164), (89, 3015376), (91, 2949104), (104, 2580466), (109, 2462096), (112, 2396147), (133, 2017808), (152, 1765582), (178, 1507688), (182, 1474552), (208, 1290233), (218, 1231048), (247, 1086512), (266, 1008904), (304, 882791), (356, 753844), (364, 737276), (436, 615524), (494, 543256), (532, 504452), (623, 430768), (712, 376922), (728, 368638), (763, 351728), (872, 307762), (988, 271628), (1064, 252226), (1157, 231952), (1246, 215384), (1417, 189392), (1424, 188461), (1456, 184319), (1526, 175864), (1691, 158704), (1729, 155216), (1744, 153881), (1976, 135814), (2071, 129584), (2128, 126113), (2314, 115976), (2492, 107692), (2834, 94696), (3052, 87932), (3382, 79352), (3458, 77608), (3952, 67907), (4142, 64792), (4628, 57988), (4984, 53846), (5668, 47348), (6104, 43966), (6764, 39676), (6916, 38804), (8099, 33136), (8284, 32396), (9256, 28994), (9701, 27664), (9919, 27056), (9968, 26923), (11336, 23674), (11837, 22672), (12208, 21983), (13528, 19838), (13832, 19402), (14497, 18512), (16198, 16568)]