2439720

素因数分解:

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

素因数の和:277

約数の個数: 96

約数和(自身を含む): 8255520

約数和(自身を除く): 5815800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 251, 270, 324, 360, 405, 486, 502, 540, 648, 753, 810, 972, 1004, 1080, 1215, 1255, 1506, 1620, 1944, 2008, 2259, 2430, 2510, 3012, 3240, 3765, 4518, 4860, 5020, 6024, 6777, 7530, 9036, 9720, 10040, 11295, 13554, 15060, 18072, 20331, 22590, 27108, 30120, 33885, 40662, 45180, 54216, 60993, 67770, 81324, 90360, 101655, 121986, 135540, 162648, 203310, 243972, 271080, 304965, 406620, 487944, 609930, 813240, 1219860, 2439720]

約数ペア:

[(1, 2439720), (2, 1219860), (3, 813240), (4, 609930), (5, 487944), (6, 406620), (8, 304965), (9, 271080), (10, 243972), (12, 203310), (15, 162648), (18, 135540), (20, 121986), (24, 101655), (27, 90360), (30, 81324), (36, 67770), (40, 60993), (45, 54216), (54, 45180), (60, 40662), (72, 33885), (81, 30120), (90, 27108), (108, 22590), (120, 20331), (135, 18072), (162, 15060), (180, 13554), (216, 11295), (243, 10040), (251, 9720), (270, 9036), (324, 7530), (360, 6777), (405, 6024), (486, 5020), (502, 4860), (540, 4518), (648, 3765), (753, 3240), (810, 3012), (972, 2510), (1004, 2430), (1080, 2259), (1215, 2008), (1255, 1944), (1506, 1620)]