7921560

素因数分解:

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

素因数の和:528

約数の個数: 64

約数和(自身を含む): 23950080

約数和(自身を除く): 16028520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 263, 502, 526, 753, 789, 1004, 1052, 1255, 1315, 1506, 1578, 2008, 2104, 2510, 2630, 3012, 3156, 3765, 3945, 5020, 5260, 6024, 6312, 7530, 7890, 10040, 10520, 15060, 15780, 30120, 31560, 66013, 132026, 198039, 264052, 330065, 396078, 528104, 660130, 792156, 990195, 1320260, 1584312, 1980390, 2640520, 3960780, 7921560]

約数ペア:

[(1, 7921560), (2, 3960780), (3, 2640520), (4, 1980390), (5, 1584312), (6, 1320260), (8, 990195), (10, 792156), (12, 660130), (15, 528104), (20, 396078), (24, 330065), (30, 264052), (40, 198039), (60, 132026), (120, 66013), (251, 31560), (263, 30120), (502, 15780), (526, 15060), (753, 10520), (789, 10040), (1004, 7890), (1052, 7530), (1255, 6312), (1315, 6024), (1506, 5260), (1578, 5020), (2008, 3945), (2104, 3765), (2510, 3156), (2630, 3012)]