81554896640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9102109}}^1$

素因数の和:9102137

約数の個数: 72

約数和(自身を含む): 223256554080

約数和(自身を除く): 141701657440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 9102109, 18204218, 36408436, 45510545, 63714763, 72816872, 91021090, 127429526, 145633744, 182042180, 254859052, 291267488, 318573815, 364084360, 509718104, 582534976, 637147630, 728168720, 1019436208, 1165069952, 1274295260, 1456337440, 2038872416, 2330139904, 2548590520, 2912674880, 4077744832, 5097181040, 5825349760, 8155489664, 10194362080, 11650699520, 16310979328, 20388724160, 40777448320, 81554896640]

約数ペア:

[(1, 81554896640), (2, 40777448320), (4, 20388724160), (5, 16310979328), (7, 11650699520), (8, 10194362080), (10, 8155489664), (14, 5825349760), (16, 5097181040), (20, 4077744832), (28, 2912674880), (32, 2548590520), (35, 2330139904), (40, 2038872416), (56, 1456337440), (64, 1274295260), (70, 1165069952), (80, 1019436208), (112, 728168720), (128, 637147630), (140, 582534976), (160, 509718104), (224, 364084360), (256, 318573815), (280, 291267488), (320, 254859052), (448, 182042180), (560, 145633744), (640, 127429526), (896, 91021090), (1120, 72816872), (1280, 63714763), (1792, 45510545), (2240, 36408436), (4480, 18204218), (8960, 9102109)]