217598640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 320

約数和(自身を含む): 861373440

約数和(自身を除く): 643774800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 102, 105, 112, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 240, 255, 266, 272, 280, 285, 304, 323, 336, 340, 357, 380, 399, 401, 408, 420, 456, 476, 510, 532, 560, 570, 595, 646, 665, 680, 714, 760, 798, 802, 816, 840, 912, 952, 969, 1020, 1064, 1140, 1190, 1203, 1292, 1330, 1360, 1428, 1520, 1596, 1604, 1615, 1680, 1785, 1904, 1938, 1995, 2005, 2040, 2128, 2261, 2280, 2380, 2406, 2584, 2660, 2807, 2856, 3192, 3208, 3230, 3570, 3876, 3990, 4010, 4080, 4522, 4560, 4760, 4812, 4845, 5168, 5320, 5614, 5712, 6015, 6384, 6416, 6460, 6783, 6817, 7140, 7619, 7752, 7980, 8020, 8421, 9044, 9520, 9624, 9690, 10640, 11228, 11305, 12030, 12920, 13566, 13634, 14035, 14280, 15238, 15504, 15960, 16040, 16842, 18088, 19248, 19380, 20451, 22456, 22610, 22857, 24060, 25840, 27132, 27268, 28070, 28560, 30476, 31920, 32080, 33684, 33915, 34085, 36176, 38095, 38760, 40902, 42105, 44912, 45220, 45714, 47719, 48120, 53333, 54264, 54536, 56140, 60952, 67368, 67830, 68170, 76190, 77520, 81804, 84210, 90440, 91428, 95438, 96240, 102255, 106666, 108528, 109072, 112280, 114285, 121904, 129523, 134736, 135660, 136340, 143157, 152380, 159999, 163608, 168420, 180880, 182856, 190876, 204510, 213332, 224560, 228570, 238595, 259046, 266665, 271320, 272680, 286314, 304760, 319998, 327216, 336840, 365712, 381752, 388569, 409020, 426664, 457140, 477190, 518092, 533330, 542640, 545360, 572628, 609520, 639996, 647615, 673680, 715785, 763504, 777138, 799995, 818040, 853328, 906661, 914280, 954380, 1036184, 1066660, 1145256, 1279992, 1295230, 1431570, 1554276, 1599990, 1636080, 1813322, 1828560, 1908760, 1942845, 2072368, 2133320, 2290512, 2559984, 2590460, 2719983, 2863140, 3108552, 3199980, 3626644, 3817520, 3885690, 4266640, 4533305, 5180920, 5439966, 5726280, 6217104, 6399960, 7253288, 7771380, 9066610, 10361840, 10879932, 11452560, 12799920, 13599915, 14506576, 15542760, 18133220, 21759864, 27199830, 31085520, 36266440, 43519728, 54399660, 72532880, 108799320, 217598640]

約数ペア:

[(1, 217598640), (2, 108799320), (3, 72532880), (4, 54399660), (5, 43519728), (6, 36266440), (7, 31085520), (8, 27199830), (10, 21759864), (12, 18133220), (14, 15542760), (15, 14506576), (16, 13599915), (17, 12799920), (19, 11452560), (20, 10879932), (21, 10361840), (24, 9066610), (28, 7771380), (30, 7253288), (34, 6399960), (35, 6217104), (38, 5726280), (40, 5439966), (42, 5180920), (48, 4533305), (51, 4266640), (56, 3885690), (57, 3817520), (60, 3626644), (68, 3199980), (70, 3108552), (76, 2863140), (80, 2719983), (84, 2590460), (85, 2559984), (95, 2290512), (102, 2133320), (105, 2072368), (112, 1942845), (114, 1908760), (119, 1828560), (120, 1813322), (133, 1636080), (136, 1599990), (140, 1554276), (152, 1431570), (168, 1295230), (170, 1279992), (190, 1145256), (204, 1066660), (210, 1036184), (228, 954380), (238, 914280), (240, 906661), (255, 853328), (266, 818040), (272, 799995), (280, 777138), (285, 763504), (304, 715785), (323, 673680), (336, 647615), (340, 639996), (357, 609520), (380, 572628), (399, 545360), (401, 542640), (408, 533330), (420, 518092), (456, 477190), (476, 457140), (510, 426664), (532, 409020), (560, 388569), (570, 381752), (595, 365712), (646, 336840), (665, 327216), (680, 319998), (714, 304760), (760, 286314), (798, 272680), (802, 271320), (816, 266665), (840, 259046), (912, 238595), (952, 228570), (969, 224560), (1020, 213332), (1064, 204510), (1140, 190876), (1190, 182856), (1203, 180880), (1292, 168420), (1330, 163608), (1360, 159999), (1428, 152380), (1520, 143157), (1596, 136340), (1604, 135660), (1615, 134736), (1680, 129523), (1785, 121904), (1904, 114285), (1938, 112280), (1995, 109072), (2005, 108528), (2040, 106666), (2128, 102255), (2261, 96240), (2280, 95438), (2380, 91428), (2406, 90440), (2584, 84210), (2660, 81804), (2807, 77520), (2856, 76190), (3192, 68170), (3208, 67830), (3230, 67368), (3570, 60952), (3876, 56140), (3990, 54536), (4010, 54264), (4080, 53333), (4522, 48120), (4560, 47719), (4760, 45714), (4812, 45220), (4845, 44912), (5168, 42105), (5320, 40902), (5614, 38760), (5712, 38095), (6015, 36176), (6384, 34085), (6416, 33915), (6460, 33684), (6783, 32080), (6817, 31920), (7140, 30476), (7619, 28560), (7752, 28070), (7980, 27268), (8020, 27132), (8421, 25840), (9044, 24060), (9520, 22857), (9624, 22610), (9690, 22456), (10640, 20451), (11228, 19380), (11305, 19248), (12030, 18088), (12920, 16842), (13566, 16040), (13634, 15960), (14035, 15504), (14280, 15238)]