771780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 2278080

約数和(自身を除く): 1506300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 677, 1140, 1354, 2031, 2708, 3385, 4062, 6770, 8124, 10155, 12863, 13540, 20310, 25726, 38589, 40620, 51452, 64315, 77178, 128630, 154356, 192945, 257260, 385890, 771780]

約数ペア:

[(1, 771780), (2, 385890), (3, 257260), (4, 192945), (5, 154356), (6, 128630), (10, 77178), (12, 64315), (15, 51452), (19, 40620), (20, 38589), (30, 25726), (38, 20310), (57, 13540), (60, 12863), (76, 10155), (95, 8124), (114, 6770), (190, 4062), (228, 3385), (285, 2708), (380, 2031), (570, 1354), (677, 1140)]