2179240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 5765760

約数和(自身を除く): 3586520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 181, 215, 280, 301, 344, 362, 430, 602, 724, 860, 905, 1204, 1267, 1448, 1505, 1720, 1810, 2408, 2534, 3010, 3620, 5068, 6020, 6335, 7240, 7783, 10136, 12040, 12670, 15566, 25340, 31132, 38915, 50680, 54481, 62264, 77830, 108962, 155660, 217924, 272405, 311320, 435848, 544810, 1089620, 2179240]

約数ペア:

[(1, 2179240), (2, 1089620), (4, 544810), (5, 435848), (7, 311320), (8, 272405), (10, 217924), (14, 155660), (20, 108962), (28, 77830), (35, 62264), (40, 54481), (43, 50680), (56, 38915), (70, 31132), (86, 25340), (140, 15566), (172, 12670), (181, 12040), (215, 10136), (280, 7783), (301, 7240), (344, 6335), (362, 6020), (430, 5068), (602, 3620), (724, 3010), (860, 2534), (905, 2408), (1204, 1810), (1267, 1720), (1448, 1505)]