40809780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20611}}^1$

素因数の和:20637

約数の個数: 72

約数和(自身を含む): 135049824

約数和(自身を除く): 94240044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 20611, 41222, 61833, 82444, 103055, 123666, 185499, 206110, 226721, 247332, 309165, 370998, 412220, 453442, 618330, 680163, 741996, 906884, 927495, 1133605, 1236660, 1360326, 1854990, 2040489, 2267210, 2720652, 3400815, 3709980, 4080978, 4534420, 6801630, 8161956, 10202445, 13603260, 20404890, 40809780]

約数ペア:

[(1, 40809780), (2, 20404890), (3, 13603260), (4, 10202445), (5, 8161956), (6, 6801630), (9, 4534420), (10, 4080978), (11, 3709980), (12, 3400815), (15, 2720652), (18, 2267210), (20, 2040489), (22, 1854990), (30, 1360326), (33, 1236660), (36, 1133605), (44, 927495), (45, 906884), (55, 741996), (60, 680163), (66, 618330), (90, 453442), (99, 412220), (110, 370998), (132, 309165), (165, 247332), (180, 226721), (198, 206110), (220, 185499), (330, 123666), (396, 103055), (495, 82444), (660, 61833), (990, 41222), (1980, 20611)]