3960780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 11176704

約数和(自身を除く): 7215924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 263, 502, 526, 753, 789, 1004, 1052, 1255, 1315, 1506, 1578, 2510, 2630, 3012, 3156, 3765, 3945, 5020, 5260, 7530, 7890, 15060, 15780, 66013, 132026, 198039, 264052, 330065, 396078, 660130, 792156, 990195, 1320260, 1980390, 3960780]

約数ペア:

[(1, 3960780), (2, 1980390), (3, 1320260), (4, 990195), (5, 792156), (6, 660130), (10, 396078), (12, 330065), (15, 264052), (20, 198039), (30, 132026), (60, 66013), (251, 15780), (263, 15060), (502, 7890), (526, 7530), (753, 5260), (789, 5020), (1004, 3945), (1052, 3765), (1255, 3156), (1315, 3012), (1506, 2630), (1578, 2510)]