261251760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 320

約数和(自身を含む): 1029648384

約数和(自身を除く): 768396624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 67, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 134, 140, 154, 165, 168, 176, 201, 210, 211, 220, 231, 240, 264, 268, 280, 308, 330, 335, 336, 385, 402, 420, 422, 440, 462, 469, 528, 536, 560, 616, 633, 660, 670, 737, 770, 804, 840, 844, 880, 924, 938, 1005, 1055, 1072, 1155, 1232, 1266, 1320, 1340, 1407, 1474, 1477, 1540, 1608, 1680, 1688, 1848, 1876, 2010, 2110, 2211, 2310, 2321, 2345, 2532, 2640, 2680, 2814, 2948, 2954, 3080, 3165, 3216, 3376, 3685, 3696, 3752, 4020, 4220, 4422, 4431, 4620, 4642, 4690, 5064, 5159, 5360, 5628, 5896, 5908, 6160, 6330, 6963, 7035, 7370, 7385, 7504, 8040, 8440, 8844, 8862, 9240, 9284, 9380, 10128, 10318, 11055, 11256, 11605, 11792, 11816, 12660, 13926, 14070, 14137, 14740, 14770, 15477, 16080, 16247, 16880, 17688, 17724, 18480, 18568, 18760, 20636, 22110, 22155, 22512, 23210, 23632, 25320, 25795, 27852, 28140, 28274, 29480, 29540, 30954, 32494, 34815, 35376, 35448, 37136, 37520, 41272, 42411, 44220, 44310, 46420, 48741, 50640, 51590, 55704, 56280, 56548, 58960, 59080, 61908, 64988, 69630, 70685, 70896, 77385, 81235, 82544, 84822, 88440, 88620, 92840, 97482, 98959, 103180, 111408, 112560, 113096, 118160, 123816, 129976, 139260, 141370, 154770, 155507, 162470, 169644, 176880, 177240, 185680, 194964, 197918, 206360, 212055, 226192, 243705, 247632, 259952, 278520, 282740, 296877, 309540, 311014, 324940, 339288, 354480, 389928, 395836, 412720, 424110, 466521, 487410, 494795, 557040, 565480, 593754, 619080, 622028, 649880, 678576, 777535, 779856, 791672, 848220, 933042, 974820, 989590, 1088549, 1130960, 1187508, 1238160, 1244056, 1299760, 1484385, 1555070, 1583344, 1696440, 1866084, 1949640, 1979180, 2177098, 2332605, 2375016, 2488112, 2968770, 3110140, 3265647, 3392880, 3732168, 3899280, 3958360, 4354196, 4665210, 4750032, 5442745, 5937540, 6220280, 6531294, 7464336, 7916720, 8708392, 9330420, 10885490, 11875080, 12440560, 13062588, 16328235, 17416784, 18660840, 21770980, 23750160, 26125176, 32656470, 37321680, 43541960, 52250352, 65312940, 87083920, 130625880, 261251760]

約数ペア:

[(1, 261251760), (2, 130625880), (3, 87083920), (4, 65312940), (5, 52250352), (6, 43541960), (7, 37321680), (8, 32656470), (10, 26125176), (11, 23750160), (12, 21770980), (14, 18660840), (15, 17416784), (16, 16328235), (20, 13062588), (21, 12440560), (22, 11875080), (24, 10885490), (28, 9330420), (30, 8708392), (33, 7916720), (35, 7464336), (40, 6531294), (42, 6220280), (44, 5937540), (48, 5442745), (55, 4750032), (56, 4665210), (60, 4354196), (66, 3958360), (67, 3899280), (70, 3732168), (77, 3392880), (80, 3265647), (84, 3110140), (88, 2968770), (105, 2488112), (110, 2375016), (112, 2332605), (120, 2177098), (132, 1979180), (134, 1949640), (140, 1866084), (154, 1696440), (165, 1583344), (168, 1555070), (176, 1484385), (201, 1299760), (210, 1244056), (211, 1238160), (220, 1187508), (231, 1130960), (240, 1088549), (264, 989590), (268, 974820), (280, 933042), (308, 848220), (330, 791672), (335, 779856), (336, 777535), (385, 678576), (402, 649880), (420, 622028), (422, 619080), (440, 593754), (462, 565480), (469, 557040), (528, 494795), (536, 487410), (560, 466521), (616, 424110), (633, 412720), (660, 395836), (670, 389928), (737, 354480), (770, 339288), (804, 324940), (840, 311014), (844, 309540), (880, 296877), (924, 282740), (938, 278520), (1005, 259952), (1055, 247632), (1072, 243705), (1155, 226192), (1232, 212055), (1266, 206360), (1320, 197918), (1340, 194964), (1407, 185680), (1474, 177240), (1477, 176880), (1540, 169644), (1608, 162470), (1680, 155507), (1688, 154770), (1848, 141370), (1876, 139260), (2010, 129976), (2110, 123816), (2211, 118160), (2310, 113096), (2321, 112560), (2345, 111408), (2532, 103180), (2640, 98959), (2680, 97482), (2814, 92840), (2948, 88620), (2954, 88440), (3080, 84822), (3165, 82544), (3216, 81235), (3376, 77385), (3685, 70896), (3696, 70685), (3752, 69630), (4020, 64988), (4220, 61908), (4422, 59080), (4431, 58960), (4620, 56548), (4642, 56280), (4690, 55704), (5064, 51590), (5159, 50640), (5360, 48741), (5628, 46420), (5896, 44310), (5908, 44220), (6160, 42411), (6330, 41272), (6963, 37520), (7035, 37136), (7370, 35448), (7385, 35376), (7504, 34815), (8040, 32494), (8440, 30954), (8844, 29540), (8862, 29480), (9240, 28274), (9284, 28140), (9380, 27852), (10128, 25795), (10318, 25320), (11055, 23632), (11256, 23210), (11605, 22512), (11792, 22155), (11816, 22110), (12660, 20636), (13926, 18760), (14070, 18568), (14137, 18480), (14740, 17724), (14770, 17688), (15477, 16880), (16080, 16247)]