172620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 602784

約数和(自身を除く): 430164

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, 137, 140, 180, 210, 252, 274, 315, 411, 420, 548, 630, 685, 822, 959, 1233, 1260, 1370, 1644, 1918, 2055, 2466, 2740, 2877, 3836, 4110, 4795, 4932, 5754, 6165, 8220, 8631, 9590, 11508, 12330, 14385, 17262, 19180, 24660, 28770, 34524, 43155, 57540, 86310, 172620]

約数ペア:

[(1, 172620), (2, 86310), (3, 57540), (4, 43155), (5, 34524), (6, 28770), (7, 24660), (9, 19180), (10, 17262), (12, 14385), (14, 12330), (15, 11508), (18, 9590), (20, 8631), (21, 8220), (28, 6165), (30, 5754), (35, 4932), (36, 4795), (42, 4110), (45, 3836), (60, 2877), (63, 2740), (70, 2466), (84, 2055), (90, 1918), (105, 1644), (126, 1370), (137, 1260), (140, 1233), (180, 959), (210, 822), (252, 685), (274, 630), (315, 548), (411, 420)]