72645160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 187557120

約数和(自身を除く): 114911960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 647, 802, 1294, 1604, 2005, 2588, 2807, 3208, 3235, 4010, 4529, 5176, 5614, 6470, 8020, 9058, 11228, 12940, 14035, 16040, 18116, 22456, 22645, 25880, 28070, 36232, 45290, 56140, 90580, 112280, 181160, 259447, 518894, 1037788, 1297235, 1816129, 2075576, 2594470, 3632258, 5188940, 7264516, 9080645, 10377880, 14529032, 18161290, 36322580, 72645160]

約数ペア:

[(1, 72645160), (2, 36322580), (4, 18161290), (5, 14529032), (7, 10377880), (8, 9080645), (10, 7264516), (14, 5188940), (20, 3632258), (28, 2594470), (35, 2075576), (40, 1816129), (56, 1297235), (70, 1037788), (140, 518894), (280, 259447), (401, 181160), (647, 112280), (802, 90580), (1294, 56140), (1604, 45290), (2005, 36232), (2588, 28070), (2807, 25880), (3208, 22645), (3235, 22456), (4010, 18116), (4529, 16040), (5176, 14035), (5614, 12940), (6470, 11228), (8020, 9058)]