2021580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 6696144

約数和(自身を除く): 4674564

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, 1021, 1980, 2042, 3063, 4084, 5105, 6126, 9189, 10210, 11231, 12252, 15315, 18378, 20420, 22462, 30630, 33693, 36756, 44924, 45945, 56155, 61260, 67386, 91890, 101079, 112310, 134772, 168465, 183780, 202158, 224620, 336930, 404316, 505395, 673860, 1010790, 2021580]

約数ペア:

[(1, 2021580), (2, 1010790), (3, 673860), (4, 505395), (5, 404316), (6, 336930), (9, 224620), (10, 202158), (11, 183780), (12, 168465), (15, 134772), (18, 112310), (20, 101079), (22, 91890), (30, 67386), (33, 61260), (36, 56155), (44, 45945), (45, 44924), (55, 36756), (60, 33693), (66, 30630), (90, 22462), (99, 20420), (110, 18378), (132, 15315), (165, 12252), (180, 11231), (198, 10210), (220, 9189), (330, 6126), (396, 5105), (495, 4084), (660, 3063), (990, 2042), (1021, 1980)]