40377780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 123747624

約数和(自身を除く): 83369844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 2221, 3030, 3636, 4442, 4545, 6060, 6663, 8884, 9090, 11105, 13326, 18180, 19989, 22210, 26652, 33315, 39978, 44420, 66630, 79956, 99945, 133260, 199890, 224321, 399780, 448642, 672963, 897284, 1121605, 1345926, 2018889, 2243210, 2691852, 3364815, 4037778, 4486420, 6729630, 8075556, 10094445, 13459260, 20188890, 40377780]

約数ペア:

[(1, 40377780), (2, 20188890), (3, 13459260), (4, 10094445), (5, 8075556), (6, 6729630), (9, 4486420), (10, 4037778), (12, 3364815), (15, 2691852), (18, 2243210), (20, 2018889), (30, 1345926), (36, 1121605), (45, 897284), (60, 672963), (90, 448642), (101, 399780), (180, 224321), (202, 199890), (303, 133260), (404, 99945), (505, 79956), (606, 66630), (909, 44420), (1010, 39978), (1212, 33315), (1515, 26652), (1818, 22210), (2020, 19989), (2221, 18180), (3030, 13326), (3636, 11105), (4442, 9090), (4545, 8884), (6060, 6663)]