40447890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21401}}^1$

素因数の和:21424

約数の個数: 64

約数和(自身を含む): 123275520

約数和(自身を除く): 82827630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 21401, 42802, 64203, 107005, 128406, 149807, 192609, 214010, 299614, 321015, 385218, 449421, 577827, 642030, 749035, 898842, 963045, 1155654, 1348263, 1498070, 1926090, 2247105, 2696526, 2889135, 4044789, 4494210, 5778270, 6741315, 8089578, 13482630, 20223945, 40447890]

約数ペア:

[(1, 40447890), (2, 20223945), (3, 13482630), (5, 8089578), (6, 6741315), (7, 5778270), (9, 4494210), (10, 4044789), (14, 2889135), (15, 2696526), (18, 2247105), (21, 1926090), (27, 1498070), (30, 1348263), (35, 1155654), (42, 963045), (45, 898842), (54, 749035), (63, 642030), (70, 577827), (90, 449421), (105, 385218), (126, 321015), (135, 299614), (189, 214010), (210, 192609), (270, 149807), (315, 128406), (378, 107005), (630, 64203), (945, 42802), (1890, 21401)]