271760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 654720

約数和(自身を除く): 382960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 316, 344, 395, 430, 632, 688, 790, 860, 1264, 1580, 1720, 3160, 3397, 3440, 6320, 6794, 13588, 16985, 27176, 33970, 54352, 67940, 135880, 271760]

約数ペア:

[(1, 271760), (2, 135880), (4, 67940), (5, 54352), (8, 33970), (10, 27176), (16, 16985), (20, 13588), (40, 6794), (43, 6320), (79, 3440), (80, 3397), (86, 3160), (158, 1720), (172, 1580), (215, 1264), (316, 860), (344, 790), (395, 688), (430, 632)]