18104240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1$

素因数の和:2970

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 34392400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2939, 3080, 5878, 6160, 11756, 14695, 20573, 23512, 29390, 32329, 41146, 47024, 58780, 64658, 82292, 102865, 117560, 129316, 161645, 164584, 205730, 226303, 235120, 258632, 323290, 329168, 411460, 452606, 517264, 646580, 822920, 905212, 1131515, 1293160, 1645840, 1810424, 2263030, 2586320, 3620848, 4526060, 9052120, 18104240]

約数ペア:

[(1, 18104240), (2, 9052120), (4, 4526060), (5, 3620848), (7, 2586320), (8, 2263030), (10, 1810424), (11, 1645840), (14, 1293160), (16, 1131515), (20, 905212), (22, 822920), (28, 646580), (35, 517264), (40, 452606), (44, 411460), (55, 329168), (56, 323290), (70, 258632), (77, 235120), (80, 226303), (88, 205730), (110, 164584), (112, 161645), (140, 129316), (154, 117560), (176, 102865), (220, 82292), (280, 64658), (308, 58780), (385, 47024), (440, 41146), (560, 32329), (616, 29390), (770, 23512), (880, 20573), (1232, 14695), (1540, 11756), (2939, 6160), (3080, 5878)]