80752140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7149

約数の個数: 120

約数和(自身を含む): 289552032

約数和(自身を除く): 208799892

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 7121, 11340, 14242, 21363, 28484, 35605, 42726, 49847, 64089, 71210, 85452, 99694, 106815, 128178, 142420, 149541, 192267, 199388, 213630, 249235, 256356, 299082, 320445, 384534, 427260, 448623, 498470, 576801, 598164, 640890, 747705, 769068, 897246, 961335, 996940, 1153602, 1281780, 1345869, 1495410, 1794492, 1922670, 2243115, 2307204, 2691738, 2884005, 2990820, 3845340, 4037607, 4486230, 5383476, 5768010, 6729345, 8075214, 8972460, 11536020, 13458690, 16150428, 20188035, 26917380, 40376070, 80752140]

約数ペア:

[(1, 80752140), (2, 40376070), (3, 26917380), (4, 20188035), (5, 16150428), (6, 13458690), (7, 11536020), (9, 8972460), (10, 8075214), (12, 6729345), (14, 5768010), (15, 5383476), (18, 4486230), (20, 4037607), (21, 3845340), (27, 2990820), (28, 2884005), (30, 2691738), (35, 2307204), (36, 2243115), (42, 1922670), (45, 1794492), (54, 1495410), (60, 1345869), (63, 1281780), (70, 1153602), (81, 996940), (84, 961335), (90, 897246), (105, 769068), (108, 747705), (126, 640890), (135, 598164), (140, 576801), (162, 498470), (180, 448623), (189, 427260), (210, 384534), (252, 320445), (270, 299082), (315, 256356), (324, 249235), (378, 213630), (405, 199388), (420, 192267), (540, 149541), (567, 142420), (630, 128178), (756, 106815), (810, 99694), (945, 85452), (1134, 71210), (1260, 64089), (1620, 49847), (1890, 42726), (2268, 35605), (2835, 28484), (3780, 21363), (5670, 14242), (7121, 11340)]