80895780

素因数分解:

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

素因数の和:21426

約数の個数: 96

約数和(自身を含む): 287642880

約数和(自身を除く): 206747100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21401, 42802, 64203, 85604, 107005, 128406, 149807, 192609, 214010, 256812, 299614, 321015, 385218, 428020, 449421, 577827, 599228, 642030, 749035, 770436, 898842, 963045, 1155654, 1284060, 1348263, 1498070, 1797684, 1926090, 2247105, 2311308, 2696526, 2889135, 2996140, 3852180, 4044789, 4494210, 5393052, 5778270, 6741315, 8089578, 8988420, 11556540, 13482630, 16179156, 20223945, 26965260, 40447890, 80895780]

約数ペア:

[(1, 80895780), (2, 40447890), (3, 26965260), (4, 20223945), (5, 16179156), (6, 13482630), (7, 11556540), (9, 8988420), (10, 8089578), (12, 6741315), (14, 5778270), (15, 5393052), (18, 4494210), (20, 4044789), (21, 3852180), (27, 2996140), (28, 2889135), (30, 2696526), (35, 2311308), (36, 2247105), (42, 1926090), (45, 1797684), (54, 1498070), (60, 1348263), (63, 1284060), (70, 1155654), (84, 963045), (90, 898842), (105, 770436), (108, 749035), (126, 642030), (135, 599228), (140, 577827), (180, 449421), (189, 428020), (210, 385218), (252, 321015), (270, 299614), (315, 256812), (378, 214010), (420, 192609), (540, 149807), (630, 128406), (756, 107005), (945, 85604), (1260, 64203), (1890, 42802), (3780, 21401)]