64443540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153437}}^1$

素因数の和:153456

約数の個数: 48

約数和(自身を含む): 206220672

約数和(自身を除く): 141777132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153437, 306874, 460311, 613748, 767185, 920622, 1074059, 1534370, 1841244, 2148118, 2301555, 3068740, 3222177, 4296236, 4603110, 5370295, 6444354, 9206220, 10740590, 12888708, 16110885, 21481180, 32221770, 64443540]

約数ペア:

[(1, 64443540), (2, 32221770), (3, 21481180), (4, 16110885), (5, 12888708), (6, 10740590), (7, 9206220), (10, 6444354), (12, 5370295), (14, 4603110), (15, 4296236), (20, 3222177), (21, 3068740), (28, 2301555), (30, 2148118), (35, 1841244), (42, 1534370), (60, 1074059), (70, 920622), (84, 767185), (105, 613748), (140, 460311), (210, 306874), (420, 153437)]