2215560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 6840000

約数和(自身を除く): 4624440

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, 499, 555, 740, 888, 998, 1110, 1480, 1497, 1996, 2220, 2495, 2994, 3992, 4440, 4990, 5988, 7485, 9980, 11976, 14970, 18463, 19960, 29940, 36926, 55389, 59880, 73852, 92315, 110778, 147704, 184630, 221556, 276945, 369260, 443112, 553890, 738520, 1107780, 2215560]

約数ペア:

[(1, 2215560), (2, 1107780), (3, 738520), (4, 553890), (5, 443112), (6, 369260), (8, 276945), (10, 221556), (12, 184630), (15, 147704), (20, 110778), (24, 92315), (30, 73852), (37, 59880), (40, 55389), (60, 36926), (74, 29940), (111, 19960), (120, 18463), (148, 14970), (185, 11976), (222, 9980), (296, 7485), (370, 5988), (444, 4990), (499, 4440), (555, 3992), (740, 2994), (888, 2495), (998, 2220), (1110, 1996), (1480, 1497)]