66444420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158201}}^1$

素因数の和:158220

約数の個数: 48

約数和(自身を含む): 212623488

約数和(自身を除く): 146179068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 158201, 316402, 474603, 632804, 791005, 949206, 1107407, 1582010, 1898412, 2214814, 2373015, 3164020, 3322221, 4429628, 4746030, 5537035, 6644442, 9492060, 11074070, 13288884, 16611105, 22148140, 33222210, 66444420]

約数ペア:

[(1, 66444420), (2, 33222210), (3, 22148140), (4, 16611105), (5, 13288884), (6, 11074070), (7, 9492060), (10, 6644442), (12, 5537035), (14, 4746030), (15, 4429628), (20, 3322221), (21, 3164020), (28, 2373015), (30, 2214814), (35, 1898412), (42, 1582010), (60, 1107407), (70, 949206), (84, 791005), (105, 632804), (140, 474603), (210, 316402), (420, 158201)]