2677640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 7032960

約数和(自身を除く): 4355320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 131, 140, 146, 262, 280, 292, 365, 511, 524, 584, 655, 730, 917, 1022, 1048, 1310, 1460, 1834, 2044, 2555, 2620, 2920, 3668, 4088, 4585, 5110, 5240, 7336, 9170, 9563, 10220, 18340, 19126, 20440, 36680, 38252, 47815, 66941, 76504, 95630, 133882, 191260, 267764, 334705, 382520, 535528, 669410, 1338820, 2677640]

約数ペア:

[(1, 2677640), (2, 1338820), (4, 669410), (5, 535528), (7, 382520), (8, 334705), (10, 267764), (14, 191260), (20, 133882), (28, 95630), (35, 76504), (40, 66941), (56, 47815), (70, 38252), (73, 36680), (131, 20440), (140, 19126), (146, 18340), (262, 10220), (280, 9563), (292, 9170), (365, 7336), (511, 5240), (524, 5110), (584, 4585), (655, 4088), (730, 3668), (917, 2920), (1022, 2620), (1048, 2555), (1310, 2044), (1460, 1834)]