720112008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20509}}^1$

素因数の和:20555

約数の個数: 128

約数和(自身を含む): 2362752000

約数和(自身を除く): 1642639992

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 56, 57, 66, 76, 77, 84, 88, 114, 132, 133, 152, 154, 168, 209, 228, 231, 264, 266, 308, 399, 418, 456, 462, 532, 616, 627, 798, 836, 924, 1064, 1254, 1463, 1596, 1672, 1848, 2508, 2926, 3192, 4389, 5016, 5852, 8778, 11704, 17556, 20509, 35112, 41018, 61527, 82036, 123054, 143563, 164072, 225599, 246108, 287126, 389671, 430689, 451198, 492216, 574252, 676797, 779342, 861378, 902396, 1148504, 1169013, 1353594, 1558684, 1579193, 1722756, 1804792, 2338026, 2707188, 2727697, 3117368, 3158386, 3445512, 4286381, 4676052, 4737579, 5414376, 5455394, 6316772, 8183091, 8572762, 9352104, 9475158, 10910788, 12633544, 12859143, 16366182, 17145524, 18950316, 21821576, 25718286, 30004667, 32732364, 34291048, 37900632, 51436572, 60009334, 65464728, 90014001, 102873144, 120018668, 180028002, 240037336, 360056004, 720112008]

約数ペア:

[(1, 720112008), (2, 360056004), (3, 240037336), (4, 180028002), (6, 120018668), (7, 102873144), (8, 90014001), (11, 65464728), (12, 60009334), (14, 51436572), (19, 37900632), (21, 34291048), (22, 32732364), (24, 30004667), (28, 25718286), (33, 21821576), (38, 18950316), (42, 17145524), (44, 16366182), (56, 12859143), (57, 12633544), (66, 10910788), (76, 9475158), (77, 9352104), (84, 8572762), (88, 8183091), (114, 6316772), (132, 5455394), (133, 5414376), (152, 4737579), (154, 4676052), (168, 4286381), (209, 3445512), (228, 3158386), (231, 3117368), (264, 2727697), (266, 2707188), (308, 2338026), (399, 1804792), (418, 1722756), (456, 1579193), (462, 1558684), (532, 1353594), (616, 1169013), (627, 1148504), (798, 902396), (836, 861378), (924, 779342), (1064, 676797), (1254, 574252), (1463, 492216), (1596, 451198), (1672, 430689), (1848, 389671), (2508, 287126), (2926, 246108), (3192, 225599), (4389, 164072), (5016, 143563), (5852, 123054), (8778, 82036), (11704, 61527), (17556, 41018), (20509, 35112)]