320397408

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3361}}^1$

素因数の和:3708

約数の個数: 72

約数和(自身を含む): 914154696

約数和(自身を除く): 593757288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 993, 1324, 1986, 2648, 2979, 3361, 3972, 5296, 5958, 6722, 7944, 10083, 10592, 11916, 13444, 15888, 20166, 23832, 26888, 30249, 31776, 40332, 47664, 53776, 60498, 80664, 95328, 107552, 120996, 161328, 241992, 322656, 483984, 967968, 1112491, 2224982, 3337473, 4449964, 6674946, 8899928, 10012419, 13349892, 17799856, 20024838, 26699784, 35599712, 40049676, 53399568, 80099352, 106799136, 160198704, 320397408]

約数ペア:

[(1, 320397408), (2, 160198704), (3, 106799136), (4, 80099352), (6, 53399568), (8, 40049676), (9, 35599712), (12, 26699784), (16, 20024838), (18, 17799856), (24, 13349892), (32, 10012419), (36, 8899928), (48, 6674946), (72, 4449964), (96, 3337473), (144, 2224982), (288, 1112491), (331, 967968), (662, 483984), (993, 322656), (1324, 241992), (1986, 161328), (2648, 120996), (2979, 107552), (3361, 95328), (3972, 80664), (5296, 60498), (5958, 53776), (6722, 47664), (7944, 40332), (10083, 31776), (10592, 30249), (11916, 26888), (13444, 23832), (15888, 20166)]