68402320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122147}}^1$

素因数の和:122167

約数の個数: 40

約数和(自身を含む): 181756224

約数和(自身を除く): 113353904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122147, 244294, 488588, 610735, 855029, 977176, 1221470, 1710058, 1954352, 2442940, 3420116, 4275145, 4885880, 6840232, 8550290, 9771760, 13680464, 17100580, 34201160, 68402320]

約数ペア:

[(1, 68402320), (2, 34201160), (4, 17100580), (5, 13680464), (7, 9771760), (8, 8550290), (10, 6840232), (14, 4885880), (16, 4275145), (20, 3420116), (28, 2442940), (35, 1954352), (40, 1710058), (56, 1221470), (70, 977176), (80, 855029), (112, 610735), (140, 488588), (280, 244294), (560, 122147)]