30782220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73291}}^1$

素因数の和:73310

約数の個数: 48

約数和(自身を含む): 98504448

約数和(自身を除く): 67722228

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, 73291, 146582, 219873, 293164, 366455, 439746, 513037, 732910, 879492, 1026074, 1099365, 1465820, 1539111, 2052148, 2198730, 2565185, 3078222, 4397460, 5130370, 6156444, 7695555, 10260740, 15391110, 30782220]

約数ペア:

[(1, 30782220), (2, 15391110), (3, 10260740), (4, 7695555), (5, 6156444), (6, 5130370), (7, 4397460), (10, 3078222), (12, 2565185), (14, 2198730), (15, 2052148), (20, 1539111), (21, 1465820), (28, 1099365), (30, 1026074), (35, 879492), (42, 732910), (60, 513037), (70, 439746), (84, 366455), (105, 293164), (140, 219873), (210, 146582), (420, 73291)]