80262720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 252

約数和(自身を含む): 295099740

約数和(自身を除く): 214837020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 32, 36, 40, 45, 48, 58, 60, 62, 64, 72, 80, 87, 90, 93, 96, 116, 120, 124, 144, 145, 155, 160, 174, 180, 186, 192, 232, 240, 248, 261, 279, 288, 290, 310, 320, 348, 360, 372, 435, 464, 465, 480, 496, 522, 558, 576, 580, 620, 696, 720, 744, 870, 899, 928, 930, 960, 961, 992, 1044, 1116, 1160, 1240, 1305, 1392, 1395, 1440, 1488, 1740, 1798, 1856, 1860, 1922, 1984, 2088, 2232, 2320, 2480, 2610, 2697, 2784, 2790, 2880, 2883, 2976, 3480, 3596, 3720, 3844, 4176, 4464, 4495, 4640, 4805, 4960, 5220, 5394, 5568, 5580, 5766, 5952, 6960, 7192, 7440, 7688, 8091, 8352, 8649, 8928, 8990, 9280, 9610, 9920, 10440, 10788, 11160, 11532, 13485, 13920, 14384, 14415, 14880, 15376, 16182, 16704, 17298, 17856, 17980, 19220, 20880, 21576, 22320, 23064, 26970, 27840, 27869, 28768, 28830, 29760, 30752, 32364, 34596, 35960, 38440, 40455, 41760, 43152, 43245, 44640, 46128, 53940, 55738, 57536, 57660, 61504, 64728, 69192, 71920, 76880, 80910, 83520, 83607, 86304, 86490, 89280, 92256, 107880, 111476, 115320, 129456, 138384, 139345, 143840, 153760, 161820, 167214, 172608, 172980, 184512, 215760, 222952, 230640, 250821, 258912, 276768, 278690, 287680, 307520, 323640, 334428, 345960, 418035, 431520, 445904, 461280, 501642, 517824, 553536, 557380, 647280, 668856, 691920, 836070, 863040, 891808, 922560, 1003284, 1114760, 1254105, 1294560, 1337712, 1383840, 1672140, 1783616, 2006568, 2229520, 2508210, 2589120, 2675424, 2767680, 3344280, 4013136, 4459040, 5016420, 5350848, 6688560, 8026272, 8918080, 10032840, 13377120, 16052544, 20065680, 26754240, 40131360, 80262720]

約数ペア:

[(1, 80262720), (2, 40131360), (3, 26754240), (4, 20065680), (5, 16052544), (6, 13377120), (8, 10032840), (9, 8918080), (10, 8026272), (12, 6688560), (15, 5350848), (16, 5016420), (18, 4459040), (20, 4013136), (24, 3344280), (29, 2767680), (30, 2675424), (31, 2589120), (32, 2508210), (36, 2229520), (40, 2006568), (45, 1783616), (48, 1672140), (58, 1383840), (60, 1337712), (62, 1294560), (64, 1254105), (72, 1114760), (80, 1003284), (87, 922560), (90, 891808), (93, 863040), (96, 836070), (116, 691920), (120, 668856), (124, 647280), (144, 557380), (145, 553536), (155, 517824), (160, 501642), (174, 461280), (180, 445904), (186, 431520), (192, 418035), (232, 345960), (240, 334428), (248, 323640), (261, 307520), (279, 287680), (288, 278690), (290, 276768), (310, 258912), (320, 250821), (348, 230640), (360, 222952), (372, 215760), (435, 184512), (464, 172980), (465, 172608), (480, 167214), (496, 161820), (522, 153760), (558, 143840), (576, 139345), (580, 138384), (620, 129456), (696, 115320), (720, 111476), (744, 107880), (870, 92256), (899, 89280), (928, 86490), (930, 86304), (960, 83607), (961, 83520), (992, 80910), (1044, 76880), (1116, 71920), (1160, 69192), (1240, 64728), (1305, 61504), (1392, 57660), (1395, 57536), (1440, 55738), (1488, 53940), (1740, 46128), (1798, 44640), (1856, 43245), (1860, 43152), (1922, 41760), (1984, 40455), (2088, 38440), (2232, 35960), (2320, 34596), (2480, 32364), (2610, 30752), (2697, 29760), (2784, 28830), (2790, 28768), (2880, 27869), (2883, 27840), (2976, 26970), (3480, 23064), (3596, 22320), (3720, 21576), (3844, 20880), (4176, 19220), (4464, 17980), (4495, 17856), (4640, 17298), (4805, 16704), (4960, 16182), (5220, 15376), (5394, 14880), (5568, 14415), (5580, 14384), (5766, 13920), (5952, 13485), (6960, 11532), (7192, 11160), (7440, 10788), (7688, 10440), (8091, 9920), (8352, 9610), (8649, 9280), (8928, 8990)]