261187080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 256

約数和(自身を含む): 1020211200

約数和(自身を除く): 759024120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 210, 220, 230, 231, 253, 264, 276, 280, 308, 322, 330, 345, 385, 420, 440, 460, 462, 483, 506, 552, 616, 644, 660, 690, 759, 770, 805, 840, 920, 924, 966, 1012, 1155, 1229, 1265, 1288, 1320, 1380, 1518, 1540, 1610, 1771, 1848, 1932, 2024, 2310, 2415, 2458, 2530, 2760, 3036, 3080, 3220, 3542, 3687, 3795, 3864, 4620, 4830, 4916, 5060, 5313, 6072, 6145, 6440, 7084, 7374, 7590, 8603, 8855, 9240, 9660, 9832, 10120, 10626, 12290, 13519, 14168, 14748, 15180, 17206, 17710, 18435, 19320, 21252, 24580, 25809, 26565, 27038, 28267, 29496, 30360, 34412, 35420, 36870, 40557, 42504, 43015, 49160, 51618, 53130, 54076, 56534, 67595, 68824, 70840, 73740, 81114, 84801, 86030, 94633, 103236, 106260, 108152, 113068, 129045, 135190, 141335, 147480, 162228, 169602, 172060, 189266, 197869, 202785, 206472, 212520, 226136, 258090, 270380, 282670, 283899, 310937, 324456, 339204, 344120, 378532, 395738, 405570, 424005, 473165, 516180, 540760, 565340, 567798, 593607, 621874, 678408, 757064, 791476, 811140, 848010, 932811, 946330, 989345, 1032360, 1130680, 1135596, 1187214, 1243748, 1419495, 1554685, 1582952, 1622280, 1696020, 1865622, 1892660, 1978690, 2176559, 2271192, 2374428, 2487496, 2838990, 2968035, 3109370, 3392040, 3731244, 3785320, 3957380, 4353118, 4664055, 4748856, 5677980, 5936070, 6218740, 6529677, 7462488, 7914760, 8706236, 9328110, 10882795, 11355960, 11872140, 12437480, 13059354, 17412472, 18656220, 21765590, 23744280, 26118708, 32648385, 37312440, 43531180, 52237416, 65296770, 87062360, 130593540, 261187080]

約数ペア:

[(1, 261187080), (2, 130593540), (3, 87062360), (4, 65296770), (5, 52237416), (6, 43531180), (7, 37312440), (8, 32648385), (10, 26118708), (11, 23744280), (12, 21765590), (14, 18656220), (15, 17412472), (20, 13059354), (21, 12437480), (22, 11872140), (23, 11355960), (24, 10882795), (28, 9328110), (30, 8706236), (33, 7914760), (35, 7462488), (40, 6529677), (42, 6218740), (44, 5936070), (46, 5677980), (55, 4748856), (56, 4664055), (60, 4353118), (66, 3957380), (69, 3785320), (70, 3731244), (77, 3392040), (84, 3109370), (88, 2968035), (92, 2838990), (105, 2487496), (110, 2374428), (115, 2271192), (120, 2176559), (132, 1978690), (138, 1892660), (140, 1865622), (154, 1696020), (161, 1622280), (165, 1582952), (168, 1554685), (184, 1419495), (210, 1243748), (220, 1187214), (230, 1135596), (231, 1130680), (253, 1032360), (264, 989345), (276, 946330), (280, 932811), (308, 848010), (322, 811140), (330, 791476), (345, 757064), (385, 678408), (420, 621874), (440, 593607), (460, 567798), (462, 565340), (483, 540760), (506, 516180), (552, 473165), (616, 424005), (644, 405570), (660, 395738), (690, 378532), (759, 344120), (770, 339204), (805, 324456), (840, 310937), (920, 283899), (924, 282670), (966, 270380), (1012, 258090), (1155, 226136), (1229, 212520), (1265, 206472), (1288, 202785), (1320, 197869), (1380, 189266), (1518, 172060), (1540, 169602), (1610, 162228), (1771, 147480), (1848, 141335), (1932, 135190), (2024, 129045), (2310, 113068), (2415, 108152), (2458, 106260), (2530, 103236), (2760, 94633), (3036, 86030), (3080, 84801), (3220, 81114), (3542, 73740), (3687, 70840), (3795, 68824), (3864, 67595), (4620, 56534), (4830, 54076), (4916, 53130), (5060, 51618), (5313, 49160), (6072, 43015), (6145, 42504), (6440, 40557), (7084, 36870), (7374, 35420), (7590, 34412), (8603, 30360), (8855, 29496), (9240, 28267), (9660, 27038), (9832, 26565), (10120, 25809), (10626, 24580), (12290, 21252), (13519, 19320), (14168, 18435), (14748, 17710), (15180, 17206)]