255538280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7507}}^1$

素因数の和:7578

約数の個数: 64

約数和(自身を含む): 616256640

約数和(自身を除く): 360718360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 7507, 8510, 15014, 17020, 30028, 34040, 37535, 60056, 75070, 150140, 172661, 277759, 300280, 345322, 555518, 690644, 863305, 1111036, 1381288, 1388795, 1726610, 2222072, 2777590, 3453220, 5555180, 6388457, 6906440, 11110360, 12776914, 25553828, 31942285, 51107656, 63884570, 127769140, 255538280]

約数ペア:

[(1, 255538280), (2, 127769140), (4, 63884570), (5, 51107656), (8, 31942285), (10, 25553828), (20, 12776914), (23, 11110360), (37, 6906440), (40, 6388457), (46, 5555180), (74, 3453220), (92, 2777590), (115, 2222072), (148, 1726610), (184, 1388795), (185, 1381288), (230, 1111036), (296, 863305), (370, 690644), (460, 555518), (740, 345322), (851, 300280), (920, 277759), (1480, 172661), (1702, 150140), (3404, 75070), (4255, 60056), (6808, 37535), (7507, 34040), (8510, 30028), (15014, 17020)]