74002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72551}}^1$

素因数の和:72580

約数の個数: 48

約数和(自身を含む): 219397248

約数和(自身を除く): 145395228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 72551, 145102, 217653, 290204, 362755, 435306, 725510, 870612, 1088265, 1233367, 1451020, 2176530, 2466734, 3700101, 4353060, 4933468, 6166835, 7400202, 12333670, 14800404, 18500505, 24667340, 37001010, 74002020]

約数ペア:

[(1, 74002020), (2, 37001010), (3, 24667340), (4, 18500505), (5, 14800404), (6, 12333670), (10, 7400202), (12, 6166835), (15, 4933468), (17, 4353060), (20, 3700101), (30, 2466734), (34, 2176530), (51, 1451020), (60, 1233367), (68, 1088265), (85, 870612), (102, 725510), (170, 435306), (204, 362755), (255, 290204), (340, 217653), (510, 145102), (1020, 72551)]