66864840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79601}}^1$

素因数の和:79622

約数の個数: 64

約数和(自身を含む): 229253760

約数和(自身を除く): 162388920

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, 79601, 159202, 238803, 318404, 398005, 477606, 557207, 636808, 796010, 955212, 1114414, 1194015, 1592020, 1671621, 1910424, 2228828, 2388030, 2786035, 3184040, 3343242, 4457656, 4776060, 5572070, 6686484, 8358105, 9552120, 11144140, 13372968, 16716210, 22288280, 33432420, 66864840]

約数ペア:

[(1, 66864840), (2, 33432420), (3, 22288280), (4, 16716210), (5, 13372968), (6, 11144140), (7, 9552120), (8, 8358105), (10, 6686484), (12, 5572070), (14, 4776060), (15, 4457656), (20, 3343242), (21, 3184040), (24, 2786035), (28, 2388030), (30, 2228828), (35, 1910424), (40, 1671621), (42, 1592020), (56, 1194015), (60, 1114414), (70, 955212), (84, 796010), (105, 636808), (120, 557207), (140, 477606), (168, 398005), (210, 318404), (280, 238803), (420, 159202), (840, 79601)]