256517604

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 793497600

約数和(自身を除く): 536979996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 59, 63, 71, 81, 84, 108, 118, 126, 142, 162, 177, 189, 213, 236, 243, 252, 284, 324, 354, 378, 413, 426, 486, 497, 531, 567, 639, 708, 729, 756, 826, 852, 972, 994, 1062, 1134, 1239, 1278, 1458, 1491, 1593, 1652, 1701, 1917, 1988, 2124, 2187, 2268, 2478, 2556, 2916, 2982, 3186, 3402, 3717, 3834, 4189, 4374, 4473, 4779, 4956, 5103, 5751, 5964, 6372, 6804, 7434, 7668, 8378, 8748, 8946, 9558, 10206, 11151, 11502, 12567, 13419, 14337, 14868, 15309, 16756, 17253, 17892, 19116, 20412, 22302, 23004, 25134, 26838, 28674, 29323, 30618, 33453, 34506, 37701, 40257, 43011, 44604, 50268, 51759, 53676, 57348, 58646, 61236, 66906, 69012, 75402, 80514, 86022, 87969, 100359, 103518, 113103, 117292, 120771, 129033, 133812, 150804, 155277, 161028, 172044, 175938, 200718, 207036, 226206, 241542, 258066, 263907, 301077, 310554, 339309, 351876, 362313, 401436, 452412, 483084, 516132, 527814, 602154, 621108, 678618, 724626, 791721, 903231, 1017927, 1055628, 1086939, 1204308, 1357236, 1449252, 1583442, 1806462, 2035854, 2173878, 2375163, 3053781, 3166884, 3612924, 4071708, 4347756, 4750326, 6107562, 7125489, 9161343, 9500652, 12215124, 14250978, 18322686, 21376467, 28501956, 36645372, 42752934, 64129401, 85505868, 128258802, 256517604]

約数ペア:

[(1, 256517604), (2, 128258802), (3, 85505868), (4, 64129401), (6, 42752934), (7, 36645372), (9, 28501956), (12, 21376467), (14, 18322686), (18, 14250978), (21, 12215124), (27, 9500652), (28, 9161343), (36, 7125489), (42, 6107562), (54, 4750326), (59, 4347756), (63, 4071708), (71, 3612924), (81, 3166884), (84, 3053781), (108, 2375163), (118, 2173878), (126, 2035854), (142, 1806462), (162, 1583442), (177, 1449252), (189, 1357236), (213, 1204308), (236, 1086939), (243, 1055628), (252, 1017927), (284, 903231), (324, 791721), (354, 724626), (378, 678618), (413, 621108), (426, 602154), (486, 527814), (497, 516132), (531, 483084), (567, 452412), (639, 401436), (708, 362313), (729, 351876), (756, 339309), (826, 310554), (852, 301077), (972, 263907), (994, 258066), (1062, 241542), (1134, 226206), (1239, 207036), (1278, 200718), (1458, 175938), (1491, 172044), (1593, 161028), (1652, 155277), (1701, 150804), (1917, 133812), (1988, 129033), (2124, 120771), (2187, 117292), (2268, 113103), (2478, 103518), (2556, 100359), (2916, 87969), (2982, 86022), (3186, 80514), (3402, 75402), (3717, 69012), (3834, 66906), (4189, 61236), (4374, 58646), (4473, 57348), (4779, 53676), (4956, 51759), (5103, 50268), (5751, 44604), (5964, 43011), (6372, 40257), (6804, 37701), (7434, 34506), (7668, 33453), (8378, 30618), (8748, 29323), (8946, 28674), (9558, 26838), (10206, 25134), (11151, 23004), (11502, 22302), (12567, 20412), (13419, 19116), (14337, 17892), (14868, 17253), (15309, 16756)]