64221780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152909}}^1$

素因数の和:152928

約数の個数: 48

約数和(自身を含む): 205511040

約数和(自身を除く): 141289260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 152909, 305818, 458727, 611636, 764545, 917454, 1070363, 1529090, 1834908, 2140726, 2293635, 3058180, 3211089, 4281452, 4587270, 5351815, 6422178, 9174540, 10703630, 12844356, 16055445, 21407260, 32110890, 64221780]

約数ペア:

[(1, 64221780), (2, 32110890), (3, 21407260), (4, 16055445), (5, 12844356), (6, 10703630), (7, 9174540), (10, 6422178), (12, 5351815), (14, 4587270), (15, 4281452), (20, 3211089), (21, 3058180), (28, 2293635), (30, 2140726), (35, 1834908), (42, 1529090), (60, 1070363), (70, 917454), (84, 764545), (105, 611636), (140, 458727), (210, 305818), (420, 152909)]