31807272

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 102928320

約数和(自身を除く): 71121048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 37, 42, 43, 49, 51, 56, 68, 74, 84, 86, 98, 102, 111, 119, 129, 136, 147, 148, 168, 172, 196, 204, 222, 238, 258, 259, 294, 296, 301, 344, 357, 392, 408, 444, 476, 516, 518, 588, 602, 629, 714, 731, 777, 833, 888, 903, 952, 1032, 1036, 1176, 1204, 1258, 1428, 1462, 1554, 1591, 1666, 1806, 1813, 1887, 2072, 2107, 2193, 2408, 2499, 2516, 2856, 2924, 3108, 3182, 3332, 3612, 3626, 3774, 4214, 4386, 4403, 4773, 4998, 5032, 5117, 5439, 5848, 6216, 6321, 6364, 6664, 7224, 7252, 7548, 8428, 8772, 8806, 9546, 9996, 10234, 10878, 11137, 12642, 12728, 13209, 14504, 15096, 15351, 16856, 17544, 17612, 19092, 19992, 20468, 21756, 22274, 25284, 26418, 27047, 30702, 30821, 33411, 35224, 35819, 38184, 40936, 43512, 44548, 50568, 52836, 54094, 61404, 61642, 66822, 71638, 77959, 81141, 89096, 92463, 105672, 107457, 108188, 122808, 123284, 133644, 143276, 155918, 162282, 184926, 189329, 214914, 216376, 233877, 246568, 267288, 286552, 311836, 324564, 369852, 378658, 429828, 467754, 567987, 623672, 649128, 739704, 757316, 859656, 935508, 1135974, 1325303, 1514632, 1871016, 2271948, 2650606, 3975909, 4543896, 5301212, 7951818, 10602424, 15903636, 31807272]

約数ペア:

[(1, 31807272), (2, 15903636), (3, 10602424), (4, 7951818), (6, 5301212), (7, 4543896), (8, 3975909), (12, 2650606), (14, 2271948), (17, 1871016), (21, 1514632), (24, 1325303), (28, 1135974), (34, 935508), (37, 859656), (42, 757316), (43, 739704), (49, 649128), (51, 623672), (56, 567987), (68, 467754), (74, 429828), (84, 378658), (86, 369852), (98, 324564), (102, 311836), (111, 286552), (119, 267288), (129, 246568), (136, 233877), (147, 216376), (148, 214914), (168, 189329), (172, 184926), (196, 162282), (204, 155918), (222, 143276), (238, 133644), (258, 123284), (259, 122808), (294, 108188), (296, 107457), (301, 105672), (344, 92463), (357, 89096), (392, 81141), (408, 77959), (444, 71638), (476, 66822), (516, 61642), (518, 61404), (588, 54094), (602, 52836), (629, 50568), (714, 44548), (731, 43512), (777, 40936), (833, 38184), (888, 35819), (903, 35224), (952, 33411), (1032, 30821), (1036, 30702), (1176, 27047), (1204, 26418), (1258, 25284), (1428, 22274), (1462, 21756), (1554, 20468), (1591, 19992), (1666, 19092), (1806, 17612), (1813, 17544), (1887, 16856), (2072, 15351), (2107, 15096), (2193, 14504), (2408, 13209), (2499, 12728), (2516, 12642), (2856, 11137), (2924, 10878), (3108, 10234), (3182, 9996), (3332, 9546), (3612, 8806), (3626, 8772), (3774, 8428), (4214, 7548), (4386, 7252), (4403, 7224), (4773, 6664), (4998, 6364), (5032, 6321), (5117, 6216), (5439, 5848)]