642816

素因数分解:

$2^8\times 3^4\times {\mathrm{31}}^1$

素因数の和:59

約数の個数: 90

約数和(自身を含む): 1978592

約数和(自身を除く): 1335776

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, 256, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 768, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2304, 2511, 2592, 2976, 3348, 3456, 3968, 4464, 5022, 5184, 5952, 6696, 6912, 7936, 8928, 10044, 10368, 11904, 13392, 17856, 20088, 20736, 23808, 26784, 35712, 40176, 53568, 71424, 80352, 107136, 160704, 214272, 321408, 642816]

約数ペア:

[(1, 642816), (2, 321408), (3, 214272), (4, 160704), (6, 107136), (8, 80352), (9, 71424), (12, 53568), (16, 40176), (18, 35712), (24, 26784), (27, 23808), (31, 20736), (32, 20088), (36, 17856), (48, 13392), (54, 11904), (62, 10368), (64, 10044), (72, 8928), (81, 7936), (93, 6912), (96, 6696), (108, 5952), (124, 5184), (128, 5022), (144, 4464), (162, 3968), (186, 3456), (192, 3348), (216, 2976), (248, 2592), (256, 2511), (279, 2304), (288, 2232), (324, 1984), (372, 1728), (384, 1674), (432, 1488), (496, 1296), (558, 1152), (576, 1116), (648, 992), (744, 864), (768, 837)]