27866720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 48338080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 179, 224, 278, 280, 358, 556, 560, 695, 716, 895, 973, 1112, 1120, 1253, 1390, 1432, 1790, 1946, 2224, 2506, 2780, 2864, 3580, 3892, 4448, 4865, 5012, 5560, 5728, 6265, 7160, 7784, 9730, 10024, 11120, 12530, 14320, 15568, 19460, 20048, 22240, 24881, 25060, 28640, 31136, 38920, 40096, 49762, 50120, 77840, 99524, 100240, 124405, 155680, 174167, 199048, 200480, 248810, 348334, 398096, 497620, 696668, 796192, 870835, 995240, 1393336, 1741670, 1990480, 2786672, 3483340, 3980960, 5573344, 6966680, 13933360, 27866720]

約数ペア:

[(1, 27866720), (2, 13933360), (4, 6966680), (5, 5573344), (7, 3980960), (8, 3483340), (10, 2786672), (14, 1990480), (16, 1741670), (20, 1393336), (28, 995240), (32, 870835), (35, 796192), (40, 696668), (56, 497620), (70, 398096), (80, 348334), (112, 248810), (139, 200480), (140, 199048), (160, 174167), (179, 155680), (224, 124405), (278, 100240), (280, 99524), (358, 77840), (556, 50120), (560, 49762), (695, 40096), (716, 38920), (895, 31136), (973, 28640), (1112, 25060), (1120, 24881), (1253, 22240), (1390, 20048), (1432, 19460), (1790, 15568), (1946, 14320), (2224, 12530), (2506, 11120), (2780, 10024), (2864, 9730), (3580, 7784), (3892, 7160), (4448, 6265), (4865, 5728), (5012, 5560)]