321408

素因数分解:

$2^7\times 3^4\times {\mathrm{31}}^1$

素因数の和:57

約数の個数: 80

約数和(自身を含む): 987360

約数和(自身を除く): 665952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3348, 3456, 3968, 4464, 5022, 5184, 5952, 6696, 8928, 10044, 10368, 11904, 13392, 17856, 20088, 26784, 35712, 40176, 53568, 80352, 107136, 160704, 321408]

約数ペア:

[(1, 321408), (2, 160704), (3, 107136), (4, 80352), (6, 53568), (8, 40176), (9, 35712), (12, 26784), (16, 20088), (18, 17856), (24, 13392), (27, 11904), (31, 10368), (32, 10044), (36, 8928), (48, 6696), (54, 5952), (62, 5184), (64, 5022), (72, 4464), (81, 3968), (93, 3456), (96, 3348), (108, 2976), (124, 2592), (128, 2511), (144, 2232), (162, 1984), (186, 1728), (192, 1674), (216, 1488), (248, 1296), (279, 1152), (288, 1116), (324, 992), (372, 864), (384, 837), (432, 744), (496, 648), (558, 576)]