266640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 910656

約数和(自身を除く): 644016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 101, 110, 120, 132, 165, 176, 202, 220, 240, 264, 303, 330, 404, 440, 505, 528, 606, 660, 808, 880, 1010, 1111, 1212, 1320, 1515, 1616, 2020, 2222, 2424, 2640, 3030, 3333, 4040, 4444, 4848, 5555, 6060, 6666, 8080, 8888, 11110, 12120, 13332, 16665, 17776, 22220, 24240, 26664, 33330, 44440, 53328, 66660, 88880, 133320, 266640]

約数ペア:

[(1, 266640), (2, 133320), (3, 88880), (4, 66660), (5, 53328), (6, 44440), (8, 33330), (10, 26664), (11, 24240), (12, 22220), (15, 17776), (16, 16665), (20, 13332), (22, 12120), (24, 11110), (30, 8888), (33, 8080), (40, 6666), (44, 6060), (48, 5555), (55, 4848), (60, 4444), (66, 4040), (80, 3333), (88, 3030), (101, 2640), (110, 2424), (120, 2222), (132, 2020), (165, 1616), (176, 1515), (202, 1320), (220, 1212), (240, 1111), (264, 1010), (303, 880), (330, 808), (404, 660), (440, 606), (505, 528)]