281224680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 256

約数和(自身を含む): 982886400

約数和(自身を除く): 701661720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 59, 60, 66, 69, 88, 92, 110, 115, 118, 120, 132, 138, 157, 165, 177, 184, 220, 230, 236, 253, 264, 276, 295, 314, 330, 345, 354, 440, 460, 471, 472, 506, 552, 590, 628, 649, 660, 690, 708, 759, 785, 885, 920, 942, 1012, 1180, 1256, 1265, 1298, 1320, 1357, 1380, 1416, 1518, 1570, 1727, 1770, 1884, 1947, 2024, 2355, 2360, 2530, 2596, 2714, 2760, 3036, 3140, 3245, 3454, 3540, 3611, 3768, 3795, 3894, 4071, 4710, 5060, 5181, 5192, 5428, 6072, 6280, 6490, 6785, 6908, 7080, 7222, 7590, 7788, 8142, 8635, 9263, 9420, 9735, 10120, 10362, 10833, 10856, 12980, 13570, 13816, 14444, 14927, 15180, 15576, 16284, 17270, 18055, 18526, 18840, 19470, 20355, 20724, 21666, 25905, 25960, 27140, 27789, 28888, 29854, 30360, 32568, 34540, 36110, 37052, 38940, 39721, 40710, 41448, 43332, 44781, 46315, 51810, 54165, 54280, 55578, 59708, 69080, 72220, 74104, 74635, 77880, 79442, 81420, 86664, 89562, 92630, 101893, 103620, 108330, 111156, 119163, 119416, 138945, 144440, 149270, 158884, 162840, 179124, 185260, 198605, 203786, 207240, 213049, 216660, 222312, 223905, 238326, 277890, 298540, 305679, 317768, 358248, 370520, 397210, 407572, 426098, 433320, 447810, 476652, 509465, 555780, 595815, 597080, 611358, 639147, 794420, 815144, 852196, 895620, 953304, 1018930, 1065245, 1111560, 1191630, 1222716, 1278294, 1528395, 1588840, 1704392, 1791240, 2037860, 2130490, 2343539, 2383260, 2445432, 2556588, 3056790, 3195735, 4075720, 4260980, 4687078, 4766520, 5113176, 6113580, 6391470, 7030617, 8521960, 9374156, 11717695, 12227160, 12782940, 14061234, 18748312, 23435390, 25565880, 28122468, 35153085, 46870780, 56244936, 70306170, 93741560, 140612340, 281224680]

約数ペア:

[(1, 281224680), (2, 140612340), (3, 93741560), (4, 70306170), (5, 56244936), (6, 46870780), (8, 35153085), (10, 28122468), (11, 25565880), (12, 23435390), (15, 18748312), (20, 14061234), (22, 12782940), (23, 12227160), (24, 11717695), (30, 9374156), (33, 8521960), (40, 7030617), (44, 6391470), (46, 6113580), (55, 5113176), (59, 4766520), (60, 4687078), (66, 4260980), (69, 4075720), (88, 3195735), (92, 3056790), (110, 2556588), (115, 2445432), (118, 2383260), (120, 2343539), (132, 2130490), (138, 2037860), (157, 1791240), (165, 1704392), (177, 1588840), (184, 1528395), (220, 1278294), (230, 1222716), (236, 1191630), (253, 1111560), (264, 1065245), (276, 1018930), (295, 953304), (314, 895620), (330, 852196), (345, 815144), (354, 794420), (440, 639147), (460, 611358), (471, 597080), (472, 595815), (506, 555780), (552, 509465), (590, 476652), (628, 447810), (649, 433320), (660, 426098), (690, 407572), (708, 397210), (759, 370520), (785, 358248), (885, 317768), (920, 305679), (942, 298540), (1012, 277890), (1180, 238326), (1256, 223905), (1265, 222312), (1298, 216660), (1320, 213049), (1357, 207240), (1380, 203786), (1416, 198605), (1518, 185260), (1570, 179124), (1727, 162840), (1770, 158884), (1884, 149270), (1947, 144440), (2024, 138945), (2355, 119416), (2360, 119163), (2530, 111156), (2596, 108330), (2714, 103620), (2760, 101893), (3036, 92630), (3140, 89562), (3245, 86664), (3454, 81420), (3540, 79442), (3611, 77880), (3768, 74635), (3795, 74104), (3894, 72220), (4071, 69080), (4710, 59708), (5060, 55578), (5181, 54280), (5192, 54165), (5428, 51810), (6072, 46315), (6280, 44781), (6490, 43332), (6785, 41448), (6908, 40710), (7080, 39721), (7222, 38940), (7590, 37052), (7788, 36110), (8142, 34540), (8635, 32568), (9263, 30360), (9420, 29854), (9735, 28888), (10120, 27789), (10362, 27140), (10833, 25960), (10856, 25905), (12980, 21666), (13570, 20724), (13816, 20355), (14444, 19470), (14927, 18840), (15180, 18526), (15576, 18055), (16284, 17270)]