64720286220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63451261}}^1$

素因数の和:63451290

約数の個数: 48

約数和(自身を含む): 191876616288

約数和(自身を除く): 127156330068

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, 63451261, 126902522, 190353783, 253805044, 317256305, 380707566, 634512610, 761415132, 951768915, 1078671437, 1269025220, 1903537830, 2157342874, 3236014311, 3807075660, 4314685748, 5393357185, 6472028622, 10786714370, 12944057244, 16180071555, 21573428740, 32360143110, 64720286220]

約数ペア:

[(1, 64720286220), (2, 32360143110), (3, 21573428740), (4, 16180071555), (5, 12944057244), (6, 10786714370), (10, 6472028622), (12, 5393357185), (15, 4314685748), (17, 3807075660), (20, 3236014311), (30, 2157342874), (34, 1903537830), (51, 1269025220), (60, 1078671437), (68, 951768915), (85, 761415132), (102, 634512610), (170, 380707566), (204, 317256305), (255, 253805044), (340, 190353783), (510, 126902522), (1020, 63451261)]