205490640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2333}}^1$

素因数の和:2716

約数の個数: 80

約数和(自身を含む): 639030528

約数和(自身を除く): 433539888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 367, 734, 1101, 1468, 1835, 2202, 2333, 2936, 3670, 4404, 4666, 5505, 5872, 6999, 7340, 8808, 9332, 11010, 11665, 13998, 14680, 17616, 18664, 22020, 23330, 27996, 29360, 34995, 37328, 44040, 46660, 55992, 69990, 88080, 93320, 111984, 139980, 186640, 279960, 559920, 856211, 1712422, 2568633, 3424844, 4281055, 5137266, 6849688, 8562110, 10274532, 12843165, 13699376, 17124220, 20549064, 25686330, 34248440, 41098128, 51372660, 68496880, 102745320, 205490640]

約数ペア:

[(1, 205490640), (2, 102745320), (3, 68496880), (4, 51372660), (5, 41098128), (6, 34248440), (8, 25686330), (10, 20549064), (12, 17124220), (15, 13699376), (16, 12843165), (20, 10274532), (24, 8562110), (30, 6849688), (40, 5137266), (48, 4281055), (60, 3424844), (80, 2568633), (120, 1712422), (240, 856211), (367, 559920), (734, 279960), (1101, 186640), (1468, 139980), (1835, 111984), (2202, 93320), (2333, 88080), (2936, 69990), (3670, 55992), (4404, 46660), (4666, 44040), (5505, 37328), (5872, 34995), (6999, 29360), (7340, 27996), (8808, 23330), (9332, 22020), (11010, 18664), (11665, 17616), (13998, 14680)]