7890372

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 24393600

約数和(自身を除く): 16503228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 71, 81, 84, 98, 108, 126, 142, 147, 162, 189, 196, 213, 252, 284, 294, 324, 343, 378, 426, 441, 497, 567, 588, 639, 686, 756, 852, 882, 994, 1029, 1134, 1278, 1323, 1372, 1491, 1764, 1917, 1988, 2058, 2268, 2556, 2646, 2982, 3087, 3479, 3834, 3969, 4116, 4473, 5292, 5751, 5964, 6174, 6958, 7668, 7938, 8946, 9261, 10437, 11502, 12348, 13419, 13916, 15876, 17892, 18522, 20874, 23004, 24353, 26838, 27783, 31311, 37044, 40257, 41748, 48706, 53676, 55566, 62622, 73059, 80514, 93933, 97412, 111132, 125244, 146118, 161028, 187866, 219177, 281799, 292236, 375732, 438354, 563598, 657531, 876708, 1127196, 1315062, 1972593, 2630124, 3945186, 7890372]

約数ペア:

[(1, 7890372), (2, 3945186), (3, 2630124), (4, 1972593), (6, 1315062), (7, 1127196), (9, 876708), (12, 657531), (14, 563598), (18, 438354), (21, 375732), (27, 292236), (28, 281799), (36, 219177), (42, 187866), (49, 161028), (54, 146118), (63, 125244), (71, 111132), (81, 97412), (84, 93933), (98, 80514), (108, 73059), (126, 62622), (142, 55566), (147, 53676), (162, 48706), (189, 41748), (196, 40257), (213, 37044), (252, 31311), (284, 27783), (294, 26838), (324, 24353), (343, 23004), (378, 20874), (426, 18522), (441, 17892), (497, 15876), (567, 13916), (588, 13419), (639, 12348), (686, 11502), (756, 10437), (852, 9261), (882, 8946), (994, 7938), (1029, 7668), (1134, 6958), (1278, 6174), (1323, 5964), (1372, 5751), (1491, 5292), (1764, 4473), (1917, 4116), (1988, 3969), (2058, 3834), (2268, 3479), (2556, 3087), (2646, 2982)]