1809505280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 264

約数和(自身を含む): 5053797360

約数和(自身を除く): 3244292080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 89, 95, 110, 128, 152, 160, 176, 178, 190, 209, 220, 256, 304, 320, 352, 356, 361, 380, 418, 440, 445, 512, 608, 640, 704, 712, 722, 760, 836, 880, 890, 979, 1024, 1045, 1216, 1280, 1408, 1424, 1444, 1520, 1672, 1691, 1760, 1780, 1805, 1958, 2090, 2432, 2560, 2816, 2848, 2888, 3040, 3344, 3382, 3520, 3560, 3610, 3916, 3971, 4180, 4864, 4895, 5120, 5632, 5696, 5776, 6080, 6688, 6764, 7040, 7120, 7220, 7832, 7942, 8360, 8455, 9728, 9790, 11264, 11392, 11552, 12160, 13376, 13528, 14080, 14240, 14440, 15664, 15884, 16720, 16910, 18601, 19456, 19580, 19855, 22784, 23104, 24320, 26752, 27056, 28160, 28480, 28880, 31328, 31768, 32129, 33440, 33820, 37202, 39160, 39710, 45568, 46208, 48640, 53504, 54112, 56320, 56960, 57760, 62656, 63536, 64258, 66880, 67640, 74404, 78320, 79420, 91136, 92416, 93005, 97280, 107008, 108224, 113920, 115520, 125312, 127072, 128516, 133760, 135280, 148808, 156640, 158840, 160645, 184832, 186010, 214016, 216448, 227840, 231040, 250624, 254144, 257032, 267520, 270560, 297616, 313280, 317680, 321290, 353419, 369664, 372020, 432896, 455680, 462080, 501248, 508288, 514064, 535040, 541120, 595232, 626560, 635360, 642580, 706838, 744040, 865792, 924160, 1002496, 1016576, 1028128, 1070080, 1082240, 1190464, 1253120, 1270720, 1285160, 1413676, 1488080, 1731584, 1767095, 1848320, 2033152, 2056256, 2164480, 2380928, 2506240, 2541440, 2570320, 2827352, 2976160, 3534190, 4066304, 4112512, 4328960, 4761856, 5012480, 5082880, 5140640, 5654704, 5952320, 7068380, 8225024, 8657920, 9523712, 10165760, 10281280, 11309408, 11904640, 14136760, 16450048, 19047424, 20331520, 20562560, 22618816, 23809280, 28273520, 32900096, 41125120, 45237632, 47618560, 56547040, 82250240, 90475264, 95237120, 113094080, 164500480, 180950528, 226188160, 361901056, 452376320, 904752640, 1809505280]

約数ペア:

[(1, 1809505280), (2, 904752640), (4, 452376320), (5, 361901056), (8, 226188160), (10, 180950528), (11, 164500480), (16, 113094080), (19, 95237120), (20, 90475264), (22, 82250240), (32, 56547040), (38, 47618560), (40, 45237632), (44, 41125120), (55, 32900096), (64, 28273520), (76, 23809280), (80, 22618816), (88, 20562560), (89, 20331520), (95, 19047424), (110, 16450048), (128, 14136760), (152, 11904640), (160, 11309408), (176, 10281280), (178, 10165760), (190, 9523712), (209, 8657920), (220, 8225024), (256, 7068380), (304, 5952320), (320, 5654704), (352, 5140640), (356, 5082880), (361, 5012480), (380, 4761856), (418, 4328960), (440, 4112512), (445, 4066304), (512, 3534190), (608, 2976160), (640, 2827352), (704, 2570320), (712, 2541440), (722, 2506240), (760, 2380928), (836, 2164480), (880, 2056256), (890, 2033152), (979, 1848320), (1024, 1767095), (1045, 1731584), (1216, 1488080), (1280, 1413676), (1408, 1285160), (1424, 1270720), (1444, 1253120), (1520, 1190464), (1672, 1082240), (1691, 1070080), (1760, 1028128), (1780, 1016576), (1805, 1002496), (1958, 924160), (2090, 865792), (2432, 744040), (2560, 706838), (2816, 642580), (2848, 635360), (2888, 626560), (3040, 595232), (3344, 541120), (3382, 535040), (3520, 514064), (3560, 508288), (3610, 501248), (3916, 462080), (3971, 455680), (4180, 432896), (4864, 372020), (4895, 369664), (5120, 353419), (5632, 321290), (5696, 317680), (5776, 313280), (6080, 297616), (6688, 270560), (6764, 267520), (7040, 257032), (7120, 254144), (7220, 250624), (7832, 231040), (7942, 227840), (8360, 216448), (8455, 214016), (9728, 186010), (9790, 184832), (11264, 160645), (11392, 158840), (11552, 156640), (12160, 148808), (13376, 135280), (13528, 133760), (14080, 128516), (14240, 127072), (14440, 125312), (15664, 115520), (15884, 113920), (16720, 108224), (16910, 107008), (18601, 97280), (19456, 93005), (19580, 92416), (19855, 91136), (22784, 79420), (23104, 78320), (24320, 74404), (26752, 67640), (27056, 66880), (28160, 64258), (28480, 63536), (28880, 62656), (31328, 57760), (31768, 56960), (32129, 56320), (33440, 54112), (33820, 53504), (37202, 48640), (39160, 46208), (39710, 45568)]