219628920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{261463}}^1$

素因数の和:261484

約数の個数: 64

約数和(自身を含む): 753016320

約数和(自身を除く): 533387400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 261463, 522926, 784389, 1045852, 1307315, 1568778, 1830241, 2091704, 2614630, 3137556, 3660482, 3921945, 5229260, 5490723, 6275112, 7320964, 7843890, 9151205, 10458520, 10981446, 14641928, 15687780, 18302410, 21962892, 27453615, 31375560, 36604820, 43925784, 54907230, 73209640, 109814460, 219628920]

約数ペア:

[(1, 219628920), (2, 109814460), (3, 73209640), (4, 54907230), (5, 43925784), (6, 36604820), (7, 31375560), (8, 27453615), (10, 21962892), (12, 18302410), (14, 15687780), (15, 14641928), (20, 10981446), (21, 10458520), (24, 9151205), (28, 7843890), (30, 7320964), (35, 6275112), (40, 5490723), (42, 5229260), (56, 3921945), (60, 3660482), (70, 3137556), (84, 2614630), (105, 2091704), (120, 1830241), (140, 1568778), (168, 1307315), (210, 1045852), (280, 784389), (420, 522926), (840, 261463)]