2051381640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{222011}}^1$

素因数の和:222043

約数の個数: 128

約数和(自身を含む): 7672734720

約数和(自身を除く): 5621353080

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, 222011, 444022, 666033, 888044, 1110055, 1332066, 1554077, 1776088, 2220110, 2442121, 2664132, 3108154, 3330165, 4440220, 4662231, 4884242, 5328264, 6216308, 6660330, 7326363, 7770385, 8880440, 9324462, 9768484, 12210605, 12432616, 13320660, 14652726, 15540770, 17094847, 18648924, 19536968, 23311155, 24421210, 26641320, 29305452, 31081540, 34189694, 36631815, 37297848, 46622310, 48842420, 51284541, 58610904, 62163080, 68379388, 73263630, 85474235, 93244620, 97684840, 102569082, 136758776, 146527260, 170948470, 186489240, 205138164, 256422705, 293054520, 341896940, 410276328, 512845410, 683793880, 1025690820, 2051381640]

約数ペア:

[(1, 2051381640), (2, 1025690820), (3, 683793880), (4, 512845410), (5, 410276328), (6, 341896940), (7, 293054520), (8, 256422705), (10, 205138164), (11, 186489240), (12, 170948470), (14, 146527260), (15, 136758776), (20, 102569082), (21, 97684840), (22, 93244620), (24, 85474235), (28, 73263630), (30, 68379388), (33, 62163080), (35, 58610904), (40, 51284541), (42, 48842420), (44, 46622310), (55, 37297848), (56, 36631815), (60, 34189694), (66, 31081540), (70, 29305452), (77, 26641320), (84, 24421210), (88, 23311155), (105, 19536968), (110, 18648924), (120, 17094847), (132, 15540770), (140, 14652726), (154, 13320660), (165, 12432616), (168, 12210605), (210, 9768484), (220, 9324462), (231, 8880440), (264, 7770385), (280, 7326363), (308, 6660330), (330, 6216308), (385, 5328264), (420, 4884242), (440, 4662231), (462, 4440220), (616, 3330165), (660, 3108154), (770, 2664132), (840, 2442121), (924, 2220110), (1155, 1776088), (1320, 1554077), (1540, 1332066), (1848, 1110055), (2310, 888044), (3080, 666033), (4620, 444022), (9240, 222011)]