2499720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 7715520

約数和(自身を除く): 5215800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 563, 740, 888, 1110, 1126, 1480, 1689, 2220, 2252, 2815, 3378, 4440, 4504, 5630, 6756, 8445, 11260, 13512, 16890, 20831, 22520, 33780, 41662, 62493, 67560, 83324, 104155, 124986, 166648, 208310, 249972, 312465, 416620, 499944, 624930, 833240, 1249860, 2499720]

約数ペア:

[(1, 2499720), (2, 1249860), (3, 833240), (4, 624930), (5, 499944), (6, 416620), (8, 312465), (10, 249972), (12, 208310), (15, 166648), (20, 124986), (24, 104155), (30, 83324), (37, 67560), (40, 62493), (60, 41662), (74, 33780), (111, 22520), (120, 20831), (148, 16890), (185, 13512), (222, 11260), (296, 8445), (370, 6756), (444, 5630), (555, 4504), (563, 4440), (740, 3378), (888, 2815), (1110, 2252), (1126, 2220), (1480, 1689)]