64280440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2273}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 167002560

約数和(自身を除く): 102722120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2273, 2828, 3535, 4040, 4546, 5656, 7070, 9092, 11365, 14140, 15911, 18184, 22730, 28280, 31822, 45460, 63644, 79555, 90920, 127288, 159110, 229573, 318220, 459146, 636440, 918292, 1147865, 1607011, 1836584, 2295730, 3214022, 4591460, 6428044, 8035055, 9182920, 12856088, 16070110, 32140220, 64280440]

約数ペア:

[(1, 64280440), (2, 32140220), (4, 16070110), (5, 12856088), (7, 9182920), (8, 8035055), (10, 6428044), (14, 4591460), (20, 3214022), (28, 2295730), (35, 1836584), (40, 1607011), (56, 1147865), (70, 918292), (101, 636440), (140, 459146), (202, 318220), (280, 229573), (404, 159110), (505, 127288), (707, 90920), (808, 79555), (1010, 63644), (1414, 45460), (2020, 31822), (2273, 28280), (2828, 22730), (3535, 18184), (4040, 15911), (4546, 14140), (5656, 11365), (7070, 9092)]