81637400320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479543}}^1$

素因数の和:479590

約数の個数: 144

約数和(自身を含む): 235245104640

約数和(自身を除く): 153607704320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 4864, 5320, 6080, 8512, 8960, 10640, 12160, 17024, 21280, 24320, 34048, 42560, 85120, 170240, 479543, 959086, 1918172, 2397715, 3356801, 3836344, 4795430, 6713602, 7672688, 9111317, 9590860, 13427204, 15345376, 16784005, 18222634, 19181720, 26854408, 30690752, 33568010, 36445268, 38363440, 45556585, 53708816, 61381504, 63779219, 67136020, 72890536, 76726880, 91113170, 107417632, 122763008, 127558438, 134272040, 145781072, 153453760, 182226340, 214835264, 255116876, 268544080, 291562144, 306907520, 318896095, 364452680, 429670528, 510233752, 537088160, 583124288, 613815040, 637792190, 728905360, 859341056, 1020467504, 1074176320, 1166248576, 1275584380, 1457810720, 2040935008, 2148352640, 2332497152, 2551168760, 2915621440, 4081870016, 4296705280, 5102337520, 5831242880, 8163740032, 10204675040, 11662485760, 16327480064, 20409350080, 40818700160, 81637400320]

約数ペア:

[(1, 81637400320), (2, 40818700160), (4, 20409350080), (5, 16327480064), (7, 11662485760), (8, 10204675040), (10, 8163740032), (14, 5831242880), (16, 5102337520), (19, 4296705280), (20, 4081870016), (28, 2915621440), (32, 2551168760), (35, 2332497152), (38, 2148352640), (40, 2040935008), (56, 1457810720), (64, 1275584380), (70, 1166248576), (76, 1074176320), (80, 1020467504), (95, 859341056), (112, 728905360), (128, 637792190), (133, 613815040), (140, 583124288), (152, 537088160), (160, 510233752), (190, 429670528), (224, 364452680), (256, 318896095), (266, 306907520), (280, 291562144), (304, 268544080), (320, 255116876), (380, 214835264), (448, 182226340), (532, 153453760), (560, 145781072), (608, 134272040), (640, 127558438), (665, 122763008), (760, 107417632), (896, 91113170), (1064, 76726880), (1120, 72890536), (1216, 67136020), (1280, 63779219), (1330, 61381504), (1520, 53708816), (1792, 45556585), (2128, 38363440), (2240, 36445268), (2432, 33568010), (2660, 30690752), (3040, 26854408), (4256, 19181720), (4480, 18222634), (4864, 16784005), (5320, 15345376), (6080, 13427204), (8512, 9590860), (8960, 9111317), (10640, 7672688), (12160, 6713602), (17024, 4795430), (21280, 3836344), (24320, 3356801), (34048, 2397715), (42560, 1918172), (85120, 959086), (170240, 479543)]