1818040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 4815360

約数和(自身を除く): 2997320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 151, 172, 215, 280, 301, 302, 344, 430, 602, 604, 755, 860, 1057, 1204, 1208, 1505, 1510, 1720, 2114, 2408, 3010, 3020, 4228, 5285, 6020, 6040, 6493, 8456, 10570, 12040, 12986, 21140, 25972, 32465, 42280, 45451, 51944, 64930, 90902, 129860, 181804, 227255, 259720, 363608, 454510, 909020, 1818040]

約数ペア:

[(1, 1818040), (2, 909020), (4, 454510), (5, 363608), (7, 259720), (8, 227255), (10, 181804), (14, 129860), (20, 90902), (28, 64930), (35, 51944), (40, 45451), (43, 42280), (56, 32465), (70, 25972), (86, 21140), (140, 12986), (151, 12040), (172, 10570), (215, 8456), (280, 6493), (301, 6040), (302, 6020), (344, 5285), (430, 4228), (602, 3020), (604, 3010), (755, 2408), (860, 2114), (1057, 1720), (1204, 1510), (1208, 1505)]