256260840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2447

約数の個数: 128

約数和(自身を含む): 849139200

約数和(自身を除く): 592878360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 220, 249, 264, 330, 332, 415, 440, 498, 660, 664, 830, 913, 996, 1245, 1320, 1660, 1826, 1992, 2339, 2490, 2739, 3320, 3652, 4565, 4678, 4980, 5478, 7017, 7304, 9130, 9356, 9960, 10956, 11695, 13695, 14034, 18260, 18712, 21912, 23390, 25729, 27390, 28068, 35085, 36520, 46780, 51458, 54780, 56136, 70170, 77187, 93560, 102916, 109560, 128645, 140340, 154374, 194137, 205832, 257290, 280680, 308748, 385935, 388274, 514580, 582411, 617496, 771870, 776548, 970685, 1029160, 1164822, 1543740, 1553096, 1941370, 2135507, 2329644, 2912055, 3087480, 3882740, 4271014, 4659288, 5824110, 6406521, 7765480, 8542028, 10677535, 11648220, 12813042, 17084056, 21355070, 23296440, 25626084, 32032605, 42710140, 51252168, 64065210, 85420280, 128130420, 256260840]

約数ペア:

[(1, 256260840), (2, 128130420), (3, 85420280), (4, 64065210), (5, 51252168), (6, 42710140), (8, 32032605), (10, 25626084), (11, 23296440), (12, 21355070), (15, 17084056), (20, 12813042), (22, 11648220), (24, 10677535), (30, 8542028), (33, 7765480), (40, 6406521), (44, 5824110), (55, 4659288), (60, 4271014), (66, 3882740), (83, 3087480), (88, 2912055), (110, 2329644), (120, 2135507), (132, 1941370), (165, 1553096), (166, 1543740), (220, 1164822), (249, 1029160), (264, 970685), (330, 776548), (332, 771870), (415, 617496), (440, 582411), (498, 514580), (660, 388274), (664, 385935), (830, 308748), (913, 280680), (996, 257290), (1245, 205832), (1320, 194137), (1660, 154374), (1826, 140340), (1992, 128645), (2339, 109560), (2490, 102916), (2739, 93560), (3320, 77187), (3652, 70170), (4565, 56136), (4678, 54780), (4980, 51458), (5478, 46780), (7017, 36520), (7304, 35085), (9130, 28068), (9356, 27390), (9960, 25729), (10956, 23390), (11695, 21912), (13695, 18712), (14034, 18260)]