2738960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 7487616

約数和(自身を除く): 4748656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 73, 80, 112, 134, 140, 146, 268, 280, 292, 335, 365, 469, 511, 536, 560, 584, 670, 730, 938, 1022, 1072, 1168, 1340, 1460, 1876, 2044, 2345, 2555, 2680, 2920, 3752, 4088, 4690, 4891, 5110, 5360, 5840, 7504, 8176, 9380, 9782, 10220, 18760, 19564, 20440, 24455, 34237, 37520, 39128, 40880, 48910, 68474, 78256, 97820, 136948, 171185, 195640, 273896, 342370, 391280, 547792, 684740, 1369480, 2738960]

約数ペア:

[(1, 2738960), (2, 1369480), (4, 684740), (5, 547792), (7, 391280), (8, 342370), (10, 273896), (14, 195640), (16, 171185), (20, 136948), (28, 97820), (35, 78256), (40, 68474), (56, 48910), (67, 40880), (70, 39128), (73, 37520), (80, 34237), (112, 24455), (134, 20440), (140, 19564), (146, 18760), (268, 10220), (280, 9782), (292, 9380), (335, 8176), (365, 7504), (469, 5840), (511, 5360), (536, 5110), (560, 4891), (584, 4690), (670, 4088), (730, 3752), (938, 2920), (1022, 2680), (1072, 2555), (1168, 2345), (1340, 2044), (1460, 1876)]