1640800476

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:782

約数の個数: 180

約数和(自身を含む): 5026037016

約数和(自身を除く): 3385236540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 181, 189, 196, 252, 294, 324, 362, 378, 441, 543, 567, 571, 588, 724, 756, 882, 1086, 1134, 1142, 1267, 1323, 1629, 1713, 1764, 2172, 2268, 2284, 2534, 2646, 3258, 3426, 3801, 3969, 3997, 4887, 5068, 5139, 5292, 6516, 6852, 7602, 7938, 7994, 8869, 9774, 10278, 11403, 11991, 14661, 15204, 15417, 15876, 15988, 17738, 19548, 20556, 22806, 23982, 26607, 27979, 29322, 30834, 34209, 35476, 35973, 45612, 46251, 47964, 53214, 55958, 58644, 61668, 68418, 71946, 79821, 83937, 92502, 102627, 103351, 106428, 107919, 111916, 136836, 143892, 159642, 167874, 185004, 205254, 206702, 215838, 239463, 251811, 310053, 319284, 323757, 335748, 410508, 413404, 431676, 478926, 503622, 620106, 647514, 718389, 723457, 755433, 930159, 957852, 1007244, 1240212, 1295028, 1436778, 1446914, 1510866, 1860318, 2170371, 2266299, 2790477, 2873556, 2893828, 3021732, 3720636, 4340742, 4532598, 5064199, 5580954, 6511113, 8371431, 8681484, 9065196, 10128398, 11161908, 13022226, 15192597, 16742862, 19533339, 20256796, 26044452, 30385194, 33485724, 39066678, 45577791, 58600017, 60770388, 78133356, 91155582, 117200034, 136733373, 182311164, 234400068, 273466746, 410200119, 546933492, 820400238, 1640800476]

約数ペア:

[(1, 1640800476), (2, 820400238), (3, 546933492), (4, 410200119), (6, 273466746), (7, 234400068), (9, 182311164), (12, 136733373), (14, 117200034), (18, 91155582), (21, 78133356), (27, 60770388), (28, 58600017), (36, 45577791), (42, 39066678), (49, 33485724), (54, 30385194), (63, 26044452), (81, 20256796), (84, 19533339), (98, 16742862), (108, 15192597), (126, 13022226), (147, 11161908), (162, 10128398), (181, 9065196), (189, 8681484), (196, 8371431), (252, 6511113), (294, 5580954), (324, 5064199), (362, 4532598), (378, 4340742), (441, 3720636), (543, 3021732), (567, 2893828), (571, 2873556), (588, 2790477), (724, 2266299), (756, 2170371), (882, 1860318), (1086, 1510866), (1134, 1446914), (1142, 1436778), (1267, 1295028), (1323, 1240212), (1629, 1007244), (1713, 957852), (1764, 930159), (2172, 755433), (2268, 723457), (2284, 718389), (2534, 647514), (2646, 620106), (3258, 503622), (3426, 478926), (3801, 431676), (3969, 413404), (3997, 410508), (4887, 335748), (5068, 323757), (5139, 319284), (5292, 310053), (6516, 251811), (6852, 239463), (7602, 215838), (7938, 206702), (7994, 205254), (8869, 185004), (9774, 167874), (10278, 159642), (11403, 143892), (11991, 136836), (14661, 111916), (15204, 107919), (15417, 106428), (15876, 103351), (15988, 102627), (17738, 92502), (19548, 83937), (20556, 79821), (22806, 71946), (23982, 68418), (26607, 61668), (27979, 58644), (29322, 55958), (30834, 53214), (34209, 47964), (35476, 46251), (35973, 45612)]