27766480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 74459520

約数和(自身を除く): 46693040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 277, 280, 358, 554, 560, 716, 895, 1108, 1253, 1385, 1432, 1790, 1939, 2216, 2506, 2770, 2864, 3580, 3878, 4432, 5012, 5540, 6265, 7160, 7756, 9695, 10024, 11080, 12530, 14320, 15512, 19390, 20048, 22160, 25060, 31024, 38780, 49583, 50120, 77560, 99166, 100240, 155120, 198332, 247915, 347081, 396664, 495830, 694162, 793328, 991660, 1388324, 1735405, 1983320, 2776648, 3470810, 3966640, 5553296, 6941620, 13883240, 27766480]

約数ペア:

[(1, 27766480), (2, 13883240), (4, 6941620), (5, 5553296), (7, 3966640), (8, 3470810), (10, 2776648), (14, 1983320), (16, 1735405), (20, 1388324), (28, 991660), (35, 793328), (40, 694162), (56, 495830), (70, 396664), (80, 347081), (112, 247915), (140, 198332), (179, 155120), (277, 100240), (280, 99166), (358, 77560), (554, 50120), (560, 49583), (716, 38780), (895, 31024), (1108, 25060), (1253, 22160), (1385, 20048), (1432, 19390), (1790, 15512), (1939, 14320), (2216, 12530), (2506, 11080), (2770, 10024), (2864, 9695), (3580, 7756), (3878, 7160), (4432, 6265), (5012, 5540)]