72657280

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 175484880

約数和(自身を除く): 102827600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1061, 1070, 1712, 2122, 2140, 3424, 4244, 4280, 5305, 6848, 8488, 8560, 10610, 13696, 16976, 17120, 21220, 33952, 34240, 42440, 67904, 68480, 84880, 113527, 135808, 169760, 227054, 339520, 454108, 567635, 679040, 908216, 1135270, 1816432, 2270540, 3632864, 4541080, 7265728, 9082160, 14531456, 18164320, 36328640, 72657280]

約数ペア:

[(1, 72657280), (2, 36328640), (4, 18164320), (5, 14531456), (8, 9082160), (10, 7265728), (16, 4541080), (20, 3632864), (32, 2270540), (40, 1816432), (64, 1135270), (80, 908216), (107, 679040), (128, 567635), (160, 454108), (214, 339520), (320, 227054), (428, 169760), (535, 135808), (640, 113527), (856, 84880), (1061, 68480), (1070, 67904), (1712, 42440), (2122, 34240), (2140, 33952), (3424, 21220), (4244, 17120), (4280, 16976), (5305, 13696), (6848, 10610), (8488, 8560)]