6480740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 16805880

約数和(自身を除く): 10325140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 389, 476, 490, 595, 778, 833, 980, 1190, 1556, 1666, 1945, 2380, 2723, 3332, 3890, 4165, 5446, 6613, 7780, 8330, 10892, 13226, 13615, 16660, 19061, 26452, 27230, 33065, 38122, 46291, 54460, 66130, 76244, 92582, 95305, 132260, 185164, 190610, 231455, 324037, 381220, 462910, 648074, 925820, 1296148, 1620185, 3240370, 6480740]

約数ペア:

[(1, 6480740), (2, 3240370), (4, 1620185), (5, 1296148), (7, 925820), (10, 648074), (14, 462910), (17, 381220), (20, 324037), (28, 231455), (34, 190610), (35, 185164), (49, 132260), (68, 95305), (70, 92582), (85, 76244), (98, 66130), (119, 54460), (140, 46291), (170, 38122), (196, 33065), (238, 27230), (245, 26452), (340, 19061), (389, 16660), (476, 13615), (490, 13226), (595, 10892), (778, 8330), (833, 7780), (980, 6613), (1190, 5446), (1556, 4165), (1666, 3890), (1945, 3332), (2380, 2723)]