247781760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 256

約数和(自身を含む): 855429120

約数和(自身を除く): 607647360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 181, 184, 186, 192, 230, 240, 248, 276, 310, 320, 345, 362, 368, 372, 384, 460, 465, 480, 496, 543, 552, 620, 640, 690, 713, 724, 736, 744, 905, 920, 930, 960, 992, 1086, 1104, 1240, 1380, 1426, 1448, 1472, 1488, 1810, 1840, 1860, 1920, 1984, 2139, 2172, 2208, 2480, 2715, 2760, 2852, 2896, 2944, 2976, 3565, 3620, 3680, 3720, 3968, 4163, 4278, 4344, 4416, 4960, 5430, 5520, 5611, 5704, 5792, 5952, 7130, 7240, 7360, 7440, 8326, 8556, 8688, 8832, 9920, 10695, 10860, 11040, 11222, 11408, 11584, 11904, 12489, 14260, 14480, 14720, 14880, 16652, 16833, 17112, 17376, 19840, 20815, 21390, 21720, 22080, 22444, 22816, 23168, 24978, 28055, 28520, 28960, 29760, 33304, 33666, 34224, 34752, 41630, 42780, 43440, 44160, 44888, 45632, 49956, 56110, 57040, 57920, 59520, 62445, 66608, 67332, 68448, 69504, 83260, 84165, 85560, 86880, 89776, 91264, 99912, 112220, 114080, 115840, 124890, 129053, 133216, 134664, 136896, 166520, 168330, 171120, 173760, 179552, 199824, 224440, 228160, 249780, 258106, 266432, 269328, 273792, 333040, 336660, 342240, 347520, 359104, 387159, 399648, 448880, 456320, 499560, 516212, 532864, 538656, 645265, 666080, 673320, 684480, 718208, 774318, 799296, 897760, 999120, 1032424, 1077312, 1290530, 1332160, 1346640, 1368960, 1548636, 1598592, 1795520, 1935795, 1998240, 2064848, 2154624, 2581060, 2664320, 2693280, 3097272, 3591040, 3871590, 3996480, 4129696, 5162120, 5386560, 6194544, 7743180, 7992960, 8259392, 10324240, 10773120, 12389088, 15486360, 16518784, 20648480, 24778176, 30972720, 41296960, 49556352, 61945440, 82593920, 123890880, 247781760]

約数ペア:

[(1, 247781760), (2, 123890880), (3, 82593920), (4, 61945440), (5, 49556352), (6, 41296960), (8, 30972720), (10, 24778176), (12, 20648480), (15, 16518784), (16, 15486360), (20, 12389088), (23, 10773120), (24, 10324240), (30, 8259392), (31, 7992960), (32, 7743180), (40, 6194544), (46, 5386560), (48, 5162120), (60, 4129696), (62, 3996480), (64, 3871590), (69, 3591040), (80, 3097272), (92, 2693280), (93, 2664320), (96, 2581060), (115, 2154624), (120, 2064848), (124, 1998240), (128, 1935795), (138, 1795520), (155, 1598592), (160, 1548636), (181, 1368960), (184, 1346640), (186, 1332160), (192, 1290530), (230, 1077312), (240, 1032424), (248, 999120), (276, 897760), (310, 799296), (320, 774318), (345, 718208), (362, 684480), (368, 673320), (372, 666080), (384, 645265), (460, 538656), (465, 532864), (480, 516212), (496, 499560), (543, 456320), (552, 448880), (620, 399648), (640, 387159), (690, 359104), (713, 347520), (724, 342240), (736, 336660), (744, 333040), (905, 273792), (920, 269328), (930, 266432), (960, 258106), (992, 249780), (1086, 228160), (1104, 224440), (1240, 199824), (1380, 179552), (1426, 173760), (1448, 171120), (1472, 168330), (1488, 166520), (1810, 136896), (1840, 134664), (1860, 133216), (1920, 129053), (1984, 124890), (2139, 115840), (2172, 114080), (2208, 112220), (2480, 99912), (2715, 91264), (2760, 89776), (2852, 86880), (2896, 85560), (2944, 84165), (2976, 83260), (3565, 69504), (3620, 68448), (3680, 67332), (3720, 66608), (3968, 62445), (4163, 59520), (4278, 57920), (4344, 57040), (4416, 56110), (4960, 49956), (5430, 45632), (5520, 44888), (5611, 44160), (5704, 43440), (5792, 42780), (5952, 41630), (7130, 34752), (7240, 34224), (7360, 33666), (7440, 33304), (8326, 29760), (8556, 28960), (8688, 28520), (8832, 28055), (9920, 24978), (10695, 23168), (10860, 22816), (11040, 22444), (11222, 22080), (11408, 21720), (11584, 21390), (11904, 20815), (12489, 19840), (14260, 17376), (14480, 17112), (14720, 16833), (14880, 16652)]