2020140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 6708240

約数和(自身を除く): 4688100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 43, 45, 54, 58, 60, 81, 86, 87, 90, 108, 116, 129, 135, 145, 162, 172, 174, 180, 215, 258, 261, 270, 290, 324, 348, 387, 405, 430, 435, 516, 522, 540, 580, 645, 774, 783, 810, 860, 870, 1044, 1161, 1247, 1290, 1305, 1548, 1566, 1620, 1740, 1935, 2322, 2349, 2494, 2580, 2610, 3132, 3483, 3741, 3870, 3915, 4644, 4698, 4988, 5220, 5805, 6235, 6966, 7482, 7740, 7830, 9396, 11223, 11610, 11745, 12470, 13932, 14964, 15660, 17415, 18705, 22446, 23220, 23490, 24940, 33669, 34830, 37410, 44892, 46980, 56115, 67338, 69660, 74820, 101007, 112230, 134676, 168345, 202014, 224460, 336690, 404028, 505035, 673380, 1010070, 2020140]

約数ペア:

[(1, 2020140), (2, 1010070), (3, 673380), (4, 505035), (5, 404028), (6, 336690), (9, 224460), (10, 202014), (12, 168345), (15, 134676), (18, 112230), (20, 101007), (27, 74820), (29, 69660), (30, 67338), (36, 56115), (43, 46980), (45, 44892), (54, 37410), (58, 34830), (60, 33669), (81, 24940), (86, 23490), (87, 23220), (90, 22446), (108, 18705), (116, 17415), (129, 15660), (135, 14964), (145, 13932), (162, 12470), (172, 11745), (174, 11610), (180, 11223), (215, 9396), (258, 7830), (261, 7740), (270, 7482), (290, 6966), (324, 6235), (348, 5805), (387, 5220), (405, 4988), (430, 4698), (435, 4644), (516, 3915), (522, 3870), (540, 3741), (580, 3483), (645, 3132), (774, 2610), (783, 2580), (810, 2494), (860, 2349), (870, 2322), (1044, 1935), (1161, 1740), (1247, 1620), (1290, 1566), (1305, 1548)]