1951740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1549}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 6770400

約数和(自身を除く): 4818660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1549, 3098, 4647, 6196, 7745, 9294, 10843, 13941, 15490, 18588, 21686, 23235, 27882, 30980, 32529, 43372, 46470, 54215, 55764, 65058, 69705, 92940, 97587, 108430, 130116, 139410, 162645, 195174, 216860, 278820, 325290, 390348, 487935, 650580, 975870, 1951740]

約数ペア:

[(1, 1951740), (2, 975870), (3, 650580), (4, 487935), (5, 390348), (6, 325290), (7, 278820), (9, 216860), (10, 195174), (12, 162645), (14, 139410), (15, 130116), (18, 108430), (20, 97587), (21, 92940), (28, 69705), (30, 65058), (35, 55764), (36, 54215), (42, 46470), (45, 43372), (60, 32529), (63, 30980), (70, 27882), (84, 23235), (90, 21686), (105, 18588), (126, 15490), (140, 13941), (180, 10843), (210, 9294), (252, 7745), (315, 6196), (420, 4647), (630, 3098), (1260, 1549)]