64977840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90247}}^1$

素因数の和:90266

約数の個数: 60

約数和(自身を含む): 218219664

約数和(自身を除く): 153241824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 90247, 180494, 270741, 360988, 451235, 541482, 721976, 812223, 902470, 1082964, 1353705, 1443952, 1624446, 1804940, 2165928, 2707410, 3248892, 3609880, 4061115, 4331856, 5414820, 6497784, 7219760, 8122230, 10829640, 12995568, 16244460, 21659280, 32488920, 64977840]

約数ペア:

[(1, 64977840), (2, 32488920), (3, 21659280), (4, 16244460), (5, 12995568), (6, 10829640), (8, 8122230), (9, 7219760), (10, 6497784), (12, 5414820), (15, 4331856), (16, 4061115), (18, 3609880), (20, 3248892), (24, 2707410), (30, 2165928), (36, 1804940), (40, 1624446), (45, 1443952), (48, 1353705), (60, 1082964), (72, 902470), (80, 812223), (90, 721976), (120, 541482), (144, 451235), (180, 360988), (240, 270741), (360, 180494), (720, 90247)]