86947280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 232901760

約数和(自身を除く): 145954480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1117, 1390, 1946, 2224, 2234, 2780, 3892, 4468, 4865, 5560, 5585, 7784, 7819, 8936, 9730, 11120, 11170, 15568, 15638, 17872, 19460, 22340, 31276, 38920, 39095, 44680, 62552, 77840, 78190, 89360, 125104, 155263, 156380, 310526, 312760, 621052, 625520, 776315, 1086841, 1242104, 1552630, 2173682, 2484208, 3105260, 4347364, 5434205, 6210520, 8694728, 10868410, 12421040, 17389456, 21736820, 43473640, 86947280]

約数ペア:

[(1, 86947280), (2, 43473640), (4, 21736820), (5, 17389456), (7, 12421040), (8, 10868410), (10, 8694728), (14, 6210520), (16, 5434205), (20, 4347364), (28, 3105260), (35, 2484208), (40, 2173682), (56, 1552630), (70, 1242104), (80, 1086841), (112, 776315), (139, 625520), (140, 621052), (278, 312760), (280, 310526), (556, 156380), (560, 155263), (695, 125104), (973, 89360), (1112, 78190), (1117, 77840), (1390, 62552), (1946, 44680), (2224, 39095), (2234, 38920), (2780, 31276), (3892, 22340), (4468, 19460), (4865, 17872), (5560, 15638), (5585, 15568), (7784, 11170), (7819, 11120), (8936, 9730)]