21497795280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255197}}^1$

素因数の和:255235

約数の個数: 200

約数和(自身を含む): 80408806632

約数和(自身を除く): 58911011352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 8424, 9360, 10530, 14040, 16848, 21060, 28080, 42120, 84240, 255197, 510394, 765591, 1020788, 1275985, 1531182, 2041576, 2296773, 2551970, 3062364, 3317561, 3827955, 4083152, 4593546, 5103940, 6124728, 6635122, 6890319, 7655910, 9187092, 9952683, 10207880, 11483865, 12249456, 13270244, 13780638, 15311820, 16587805, 18374184, 19905366, 20415760, 20670957, 22967730, 26540488, 27561276, 29858049, 30623640, 33175610, 34451595, 36748368, 39810732, 41341914, 45935460, 49763415, 53080976, 55122552, 59716098, 61247280, 66351220, 68903190, 79621464, 82683828, 89574147, 91870920, 99526830, 103354785, 110245104, 119432196, 132702440, 137806380, 149290245, 159242928, 165367656, 179148294, 183741840, 199053660, 206709570, 238864392, 265404880, 268722441, 275612760, 298580490, 330735312, 358296588, 398107320, 413419140, 447870735, 477728784, 537444882, 551225520, 597160980, 716593176, 796214640, 826838280, 895741470, 1074889764, 1194321960, 1343612205, 1433186352, 1653676560, 1791482940, 2149779528, 2388643920, 2687224410, 3582965880, 4299559056, 5374448820, 7165931760, 10748897640, 21497795280]

約数ペア:

[(1, 21497795280), (2, 10748897640), (3, 7165931760), (4, 5374448820), (5, 4299559056), (6, 3582965880), (8, 2687224410), (9, 2388643920), (10, 2149779528), (12, 1791482940), (13, 1653676560), (15, 1433186352), (16, 1343612205), (18, 1194321960), (20, 1074889764), (24, 895741470), (26, 826838280), (27, 796214640), (30, 716593176), (36, 597160980), (39, 551225520), (40, 537444882), (45, 477728784), (48, 447870735), (52, 413419140), (54, 398107320), (60, 358296588), (65, 330735312), (72, 298580490), (78, 275612760), (80, 268722441), (81, 265404880), (90, 238864392), (104, 206709570), (108, 199053660), (117, 183741840), (120, 179148294), (130, 165367656), (135, 159242928), (144, 149290245), (156, 137806380), (162, 132702440), (180, 119432196), (195, 110245104), (208, 103354785), (216, 99526830), (234, 91870920), (240, 89574147), (260, 82683828), (270, 79621464), (312, 68903190), (324, 66351220), (351, 61247280), (360, 59716098), (390, 55122552), (405, 53080976), (432, 49763415), (468, 45935460), (520, 41341914), (540, 39810732), (585, 36748368), (624, 34451595), (648, 33175610), (702, 30623640), (720, 29858049), (780, 27561276), (810, 26540488), (936, 22967730), (1040, 20670957), (1053, 20415760), (1080, 19905366), (1170, 18374184), (1296, 16587805), (1404, 15311820), (1560, 13780638), (1620, 13270244), (1755, 12249456), (1872, 11483865), (2106, 10207880), (2160, 9952683), (2340, 9187092), (2808, 7655910), (3120, 6890319), (3240, 6635122), (3510, 6124728), (4212, 5103940), (4680, 4593546), (5265, 4083152), (5616, 3827955), (6480, 3317561), (7020, 3062364), (8424, 2551970), (9360, 2296773), (10530, 2041576), (14040, 1531182), (16848, 1275985), (21060, 1020788), (28080, 765591), (42120, 510394), (84240, 255197)]