165763640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2251}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 428060160

約数和(自身を除く): 262296520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2251, 2630, 3682, 4502, 5260, 7364, 9004, 9205, 10520, 11255, 14728, 15757, 18008, 18410, 22510, 31514, 36820, 45020, 63028, 73640, 78785, 90040, 126056, 157570, 315140, 592013, 630280, 1184026, 2368052, 2960065, 4144091, 4736104, 5920130, 8288182, 11840260, 16576364, 20720455, 23680520, 33152728, 41440910, 82881820, 165763640]

約数ペア:

[(1, 165763640), (2, 82881820), (4, 41440910), (5, 33152728), (7, 23680520), (8, 20720455), (10, 16576364), (14, 11840260), (20, 8288182), (28, 5920130), (35, 4736104), (40, 4144091), (56, 2960065), (70, 2368052), (140, 1184026), (263, 630280), (280, 592013), (526, 315140), (1052, 157570), (1315, 126056), (1841, 90040), (2104, 78785), (2251, 73640), (2630, 63028), (3682, 45020), (4502, 36820), (5260, 31514), (7364, 22510), (9004, 18410), (9205, 18008), (10520, 15757), (11255, 14728)]