81654230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 181025280

約数和(自身を除く): 99371050

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 59, 70, 85, 118, 119, 170, 238, 295, 413, 590, 595, 826, 1003, 1163, 1190, 2006, 2065, 2326, 4130, 5015, 5815, 7021, 8141, 10030, 11630, 14042, 16282, 19771, 35105, 39542, 40705, 68617, 70210, 81410, 98855, 137234, 138397, 197710, 276794, 343085, 480319, 686170, 691985, 960638, 1166489, 1383970, 2332978, 2401595, 4803190, 5832445, 8165423, 11664890, 16330846, 40827115, 81654230]

約数ペア:

[(1, 81654230), (2, 40827115), (5, 16330846), (7, 11664890), (10, 8165423), (14, 5832445), (17, 4803190), (34, 2401595), (35, 2332978), (59, 1383970), (70, 1166489), (85, 960638), (118, 691985), (119, 686170), (170, 480319), (238, 343085), (295, 276794), (413, 197710), (590, 138397), (595, 137234), (826, 98855), (1003, 81410), (1163, 70210), (1190, 68617), (2006, 40705), (2065, 39542), (2326, 35105), (4130, 19771), (5015, 16282), (5815, 14042), (7021, 11630), (8141, 10030)]