84668720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 204010752

約数和(自身を除く): 119342032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 151, 163, 172, 215, 302, 326, 344, 430, 604, 652, 688, 755, 815, 860, 1208, 1304, 1510, 1630, 1720, 2416, 2608, 3020, 3260, 3440, 6040, 6493, 6520, 7009, 12080, 12986, 13040, 14018, 24613, 25972, 28036, 32465, 35045, 49226, 51944, 56072, 64930, 70090, 98452, 103888, 112144, 123065, 129860, 140180, 196904, 246130, 259720, 280360, 393808, 492260, 519440, 560720, 984520, 1058359, 1969040, 2116718, 4233436, 5291795, 8466872, 10583590, 16933744, 21167180, 42334360, 84668720]

約数ペア:

[(1, 84668720), (2, 42334360), (4, 21167180), (5, 16933744), (8, 10583590), (10, 8466872), (16, 5291795), (20, 4233436), (40, 2116718), (43, 1969040), (80, 1058359), (86, 984520), (151, 560720), (163, 519440), (172, 492260), (215, 393808), (302, 280360), (326, 259720), (344, 246130), (430, 196904), (604, 140180), (652, 129860), (688, 123065), (755, 112144), (815, 103888), (860, 98452), (1208, 70090), (1304, 64930), (1510, 56072), (1630, 51944), (1720, 49226), (2416, 35045), (2608, 32465), (3020, 28036), (3260, 25972), (3440, 24613), (6040, 14018), (6493, 13040), (6520, 12986), (7009, 12080)]