72756040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1319}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 115423160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1319, 1379, 1576, 1970, 2638, 2758, 3940, 5276, 5516, 6595, 6895, 7880, 9233, 10552, 11032, 13190, 13790, 18466, 26380, 27580, 36932, 46165, 52760, 55160, 73864, 92330, 184660, 259843, 369320, 519686, 1039372, 1299215, 1818901, 2078744, 2598430, 3637802, 5196860, 7275604, 9094505, 10393720, 14551208, 18189010, 36378020, 72756040]

約数ペア:

[(1, 72756040), (2, 36378020), (4, 18189010), (5, 14551208), (7, 10393720), (8, 9094505), (10, 7275604), (14, 5196860), (20, 3637802), (28, 2598430), (35, 2078744), (40, 1818901), (56, 1299215), (70, 1039372), (140, 519686), (197, 369320), (280, 259843), (394, 184660), (788, 92330), (985, 73864), (1319, 55160), (1379, 52760), (1576, 46165), (1970, 36932), (2638, 27580), (2758, 26380), (3940, 18466), (5276, 13790), (5516, 13190), (6595, 11032), (6895, 10552), (7880, 9233)]