80285920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 232424640

約数和(自身を除く): 152138720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 29, 32, 40, 44, 52, 55, 58, 65, 80, 88, 104, 110, 116, 121, 130, 143, 145, 160, 176, 208, 220, 232, 242, 260, 286, 290, 319, 352, 377, 416, 440, 464, 484, 520, 572, 580, 605, 638, 715, 754, 880, 928, 968, 1040, 1144, 1160, 1210, 1276, 1331, 1430, 1508, 1573, 1595, 1760, 1885, 1936, 2080, 2288, 2320, 2420, 2552, 2662, 2860, 3016, 3146, 3190, 3509, 3770, 3872, 4147, 4576, 4640, 4840, 5104, 5324, 5720, 6032, 6292, 6380, 6655, 7018, 7540, 7865, 8294, 9680, 10208, 10648, 11440, 12064, 12584, 12760, 13310, 14036, 15080, 15730, 16588, 17303, 17545, 19360, 20735, 21296, 22880, 25168, 25520, 26620, 28072, 30160, 31460, 33176, 34606, 35090, 38599, 41470, 42592, 45617, 50336, 51040, 53240, 56144, 60320, 62920, 66352, 69212, 70180, 77198, 82940, 86515, 91234, 106480, 112288, 125840, 132704, 138424, 140360, 154396, 165880, 173030, 182468, 192995, 212960, 228085, 251680, 276848, 280720, 308792, 331760, 346060, 364936, 385990, 456170, 501787, 553696, 561440, 617584, 663520, 692120, 729872, 771980, 912340, 1003574, 1235168, 1384240, 1459744, 1543960, 1824680, 2007148, 2508935, 2768480, 3087920, 3649360, 4014296, 5017870, 6175840, 7298720, 8028592, 10035740, 16057184, 20071480, 40142960, 80285920]

約数ペア:

[(1, 80285920), (2, 40142960), (4, 20071480), (5, 16057184), (8, 10035740), (10, 8028592), (11, 7298720), (13, 6175840), (16, 5017870), (20, 4014296), (22, 3649360), (26, 3087920), (29, 2768480), (32, 2508935), (40, 2007148), (44, 1824680), (52, 1543960), (55, 1459744), (58, 1384240), (65, 1235168), (80, 1003574), (88, 912340), (104, 771980), (110, 729872), (116, 692120), (121, 663520), (130, 617584), (143, 561440), (145, 553696), (160, 501787), (176, 456170), (208, 385990), (220, 364936), (232, 346060), (242, 331760), (260, 308792), (286, 280720), (290, 276848), (319, 251680), (352, 228085), (377, 212960), (416, 192995), (440, 182468), (464, 173030), (484, 165880), (520, 154396), (572, 140360), (580, 138424), (605, 132704), (638, 125840), (715, 112288), (754, 106480), (880, 91234), (928, 86515), (968, 82940), (1040, 77198), (1144, 70180), (1160, 69212), (1210, 66352), (1276, 62920), (1331, 60320), (1430, 56144), (1508, 53240), (1573, 51040), (1595, 50336), (1760, 45617), (1885, 42592), (1936, 41470), (2080, 38599), (2288, 35090), (2320, 34606), (2420, 33176), (2552, 31460), (2662, 30160), (2860, 28072), (3016, 26620), (3146, 25520), (3190, 25168), (3509, 22880), (3770, 21296), (3872, 20735), (4147, 19360), (4576, 17545), (4640, 17303), (4840, 16588), (5104, 15730), (5324, 15080), (5720, 14036), (6032, 13310), (6292, 12760), (6380, 12584), (6655, 12064), (7018, 11440), (7540, 10648), (7865, 10208), (8294, 9680)]