81763560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75707}}^1$

素因数の和:75727

約数の個数: 64

約数和(自身を含む): 272548800

約数和(自身を除く): 190785240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75707, 151414, 227121, 302828, 378535, 454242, 605656, 681363, 757070, 908484, 1135605, 1362726, 1514140, 1816968, 2044089, 2271210, 2725452, 3028280, 3406815, 4088178, 4542420, 5450904, 6813630, 8176356, 9084840, 10220445, 13627260, 16352712, 20440890, 27254520, 40881780, 81763560]

約数ペア:

[(1, 81763560), (2, 40881780), (3, 27254520), (4, 20440890), (5, 16352712), (6, 13627260), (8, 10220445), (9, 9084840), (10, 8176356), (12, 6813630), (15, 5450904), (18, 4542420), (20, 4088178), (24, 3406815), (27, 3028280), (30, 2725452), (36, 2271210), (40, 2044089), (45, 1816968), (54, 1514140), (60, 1362726), (72, 1135605), (90, 908484), (108, 757070), (120, 681363), (135, 605656), (180, 454242), (216, 378535), (270, 302828), (360, 227121), (540, 151414), (1080, 75707)]