2720172840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{294391}}^1$

素因数の和:294423

約数の個数: 128

約数和(自身を含む): 10174187520

約数和(自身を除く): 7454014680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 294391, 588782, 883173, 1177564, 1471955, 1766346, 2060737, 2355128, 2943910, 3238301, 3532692, 4121474, 4415865, 5887820, 6182211, 6476602, 7065384, 8242948, 8831730, 9714903, 10303685, 11775640, 12364422, 12953204, 16191505, 16485896, 17663460, 19429806, 20607370, 22668107, 24728844, 25906408, 30911055, 32383010, 35326920, 38859612, 41214740, 45336214, 48574515, 49457688, 61822110, 64766020, 68004321, 77719224, 82429480, 90672428, 97149030, 113340535, 123644220, 129532040, 136008642, 181344856, 194298060, 226681070, 247288440, 272017284, 340021605, 388596120, 453362140, 544034568, 680043210, 906724280, 1360086420, 2720172840]

約数ペア:

[(1, 2720172840), (2, 1360086420), (3, 906724280), (4, 680043210), (5, 544034568), (6, 453362140), (7, 388596120), (8, 340021605), (10, 272017284), (11, 247288440), (12, 226681070), (14, 194298060), (15, 181344856), (20, 136008642), (21, 129532040), (22, 123644220), (24, 113340535), (28, 97149030), (30, 90672428), (33, 82429480), (35, 77719224), (40, 68004321), (42, 64766020), (44, 61822110), (55, 49457688), (56, 48574515), (60, 45336214), (66, 41214740), (70, 38859612), (77, 35326920), (84, 32383010), (88, 30911055), (105, 25906408), (110, 24728844), (120, 22668107), (132, 20607370), (140, 19429806), (154, 17663460), (165, 16485896), (168, 16191505), (210, 12953204), (220, 12364422), (231, 11775640), (264, 10303685), (280, 9714903), (308, 8831730), (330, 8242948), (385, 7065384), (420, 6476602), (440, 6182211), (462, 5887820), (616, 4415865), (660, 4121474), (770, 3532692), (840, 3238301), (924, 2943910), (1155, 2355128), (1320, 2060737), (1540, 1766346), (1848, 1471955), (2310, 1177564), (3080, 883173), (4620, 588782), (9240, 294391)]