161791560

素因数分解:

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

素因数の和:21428

約数の個数: 128

約数和(自身を含む): 616377600

約数和(自身を除く): 454586040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 21401, 42802, 64203, 85604, 107005, 128406, 149807, 171208, 192609, 214010, 256812, 299614, 321015, 385218, 428020, 449421, 513624, 577827, 599228, 642030, 749035, 770436, 856040, 898842, 963045, 1155654, 1198456, 1284060, 1348263, 1498070, 1540872, 1797684, 1926090, 2247105, 2311308, 2568120, 2696526, 2889135, 2996140, 3595368, 3852180, 4044789, 4494210, 4622616, 5393052, 5778270, 5992280, 6741315, 7704360, 8089578, 8988420, 10786104, 11556540, 13482630, 16179156, 17976840, 20223945, 23113080, 26965260, 32358312, 40447890, 53930520, 80895780, 161791560]

約数ペア:

[(1, 161791560), (2, 80895780), (3, 53930520), (4, 40447890), (5, 32358312), (6, 26965260), (7, 23113080), (8, 20223945), (9, 17976840), (10, 16179156), (12, 13482630), (14, 11556540), (15, 10786104), (18, 8988420), (20, 8089578), (21, 7704360), (24, 6741315), (27, 5992280), (28, 5778270), (30, 5393052), (35, 4622616), (36, 4494210), (40, 4044789), (42, 3852180), (45, 3595368), (54, 2996140), (56, 2889135), (60, 2696526), (63, 2568120), (70, 2311308), (72, 2247105), (84, 1926090), (90, 1797684), (105, 1540872), (108, 1498070), (120, 1348263), (126, 1284060), (135, 1198456), (140, 1155654), (168, 963045), (180, 898842), (189, 856040), (210, 770436), (216, 749035), (252, 642030), (270, 599228), (280, 577827), (315, 513624), (360, 449421), (378, 428020), (420, 385218), (504, 321015), (540, 299614), (630, 256812), (756, 214010), (840, 192609), (945, 171208), (1080, 149807), (1260, 128406), (1512, 107005), (1890, 85604), (2520, 64203), (3780, 42802), (7560, 21401)]