77482720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9883}}^1$

素因数の和:9912

約数の個数: 72

約数和(自身を含む): 212960664

約数和(自身を除く): 135477944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9883, 19766, 39532, 49415, 69181, 79064, 98830, 138362, 158128, 197660, 276724, 316256, 345905, 395320, 484267, 553448, 691810, 790640, 968534, 1106896, 1383620, 1581280, 1937068, 2213792, 2421335, 2767240, 3874136, 4842670, 5534480, 7748272, 9685340, 11068960, 15496544, 19370680, 38741360, 77482720]

約数ペア:

[(1, 77482720), (2, 38741360), (4, 19370680), (5, 15496544), (7, 11068960), (8, 9685340), (10, 7748272), (14, 5534480), (16, 4842670), (20, 3874136), (28, 2767240), (32, 2421335), (35, 2213792), (40, 1937068), (49, 1581280), (56, 1383620), (70, 1106896), (80, 968534), (98, 790640), (112, 691810), (140, 553448), (160, 484267), (196, 395320), (224, 345905), (245, 316256), (280, 276724), (392, 197660), (490, 158128), (560, 138362), (784, 98830), (980, 79064), (1120, 69181), (1568, 49415), (1960, 39532), (3920, 19766), (7840, 9883)]