77873820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21277}}^1$

素因数の和:21350

約数の個数: 48

約数和(自身を含む): 221631648

約数和(自身を除く): 143757828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21277, 42554, 63831, 85108, 106385, 127662, 212770, 255324, 319155, 425540, 638310, 1276620, 1297897, 2595794, 3893691, 5191588, 6489485, 7787382, 12978970, 15574764, 19468455, 25957940, 38936910, 77873820]

約数ペア:

[(1, 77873820), (2, 38936910), (3, 25957940), (4, 19468455), (5, 15574764), (6, 12978970), (10, 7787382), (12, 6489485), (15, 5191588), (20, 3893691), (30, 2595794), (60, 1297897), (61, 1276620), (122, 638310), (183, 425540), (244, 319155), (305, 255324), (366, 212770), (610, 127662), (732, 106385), (915, 85108), (1220, 63831), (1830, 42554), (3660, 21277)]