81326080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 156

約数和(自身を含む): 224695512

約数和(自身を除く): 143369432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 361, 380, 418, 440, 512, 608, 640, 704, 722, 760, 836, 880, 1024, 1045, 1216, 1280, 1408, 1444, 1520, 1672, 1760, 1805, 2048, 2090, 2432, 2560, 2816, 2888, 3040, 3344, 3520, 3610, 3971, 4096, 4180, 4864, 5120, 5632, 5776, 6080, 6688, 7040, 7220, 7942, 8360, 9728, 10240, 11264, 11552, 12160, 13376, 14080, 14440, 15884, 16720, 19456, 19855, 20480, 22528, 23104, 24320, 26752, 28160, 28880, 31768, 33440, 38912, 39710, 45056, 46208, 48640, 53504, 56320, 57760, 63536, 66880, 77824, 79420, 92416, 97280, 107008, 112640, 115520, 127072, 133760, 158840, 184832, 194560, 214016, 225280, 231040, 254144, 267520, 317680, 369664, 389120, 428032, 462080, 508288, 535040, 635360, 739328, 856064, 924160, 1016576, 1070080, 1270720, 1478656, 1848320, 2033152, 2140160, 2541440, 3696640, 4066304, 4280320, 5082880, 7393280, 8132608, 10165760, 16265216, 20331520, 40663040, 81326080]

約数ペア:

[(1, 81326080), (2, 40663040), (4, 20331520), (5, 16265216), (8, 10165760), (10, 8132608), (11, 7393280), (16, 5082880), (19, 4280320), (20, 4066304), (22, 3696640), (32, 2541440), (38, 2140160), (40, 2033152), (44, 1848320), (55, 1478656), (64, 1270720), (76, 1070080), (80, 1016576), (88, 924160), (95, 856064), (110, 739328), (128, 635360), (152, 535040), (160, 508288), (176, 462080), (190, 428032), (209, 389120), (220, 369664), (256, 317680), (304, 267520), (320, 254144), (352, 231040), (361, 225280), (380, 214016), (418, 194560), (440, 184832), (512, 158840), (608, 133760), (640, 127072), (704, 115520), (722, 112640), (760, 107008), (836, 97280), (880, 92416), (1024, 79420), (1045, 77824), (1216, 66880), (1280, 63536), (1408, 57760), (1444, 56320), (1520, 53504), (1672, 48640), (1760, 46208), (1805, 45056), (2048, 39710), (2090, 38912), (2432, 33440), (2560, 31768), (2816, 28880), (2888, 28160), (3040, 26752), (3344, 24320), (3520, 23104), (3610, 22528), (3971, 20480), (4096, 19855), (4180, 19456), (4864, 16720), (5120, 15884), (5632, 14440), (5776, 14080), (6080, 13376), (6688, 12160), (7040, 11552), (7220, 11264), (7942, 10240), (8360, 9728)]