81235440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 320

約数和(自身を含む): 329978880

約数和(自身を除く): 248743440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 48, 52, 54, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 108, 110, 117, 120, 130, 132, 135, 143, 144, 156, 165, 176, 180, 195, 198, 208, 216, 220, 234, 240, 260, 263, 264, 270, 286, 297, 312, 330, 351, 360, 390, 396, 429, 432, 440, 468, 495, 520, 526, 528, 540, 572, 585, 594, 624, 660, 702, 715, 720, 780, 789, 792, 858, 880, 936, 990, 1040, 1052, 1080, 1144, 1170, 1188, 1287, 1315, 1320, 1404, 1430, 1485, 1560, 1578, 1584, 1716, 1755, 1872, 1980, 2104, 2145, 2160, 2288, 2340, 2367, 2376, 2574, 2630, 2640, 2808, 2860, 2893, 2970, 3120, 3156, 3419, 3432, 3510, 3861, 3945, 3960, 4208, 4290, 4680, 4734, 4752, 5148, 5260, 5616, 5720, 5786, 5940, 6312, 6435, 6838, 6864, 7020, 7101, 7722, 7890, 7920, 8580, 8679, 9360, 9468, 10257, 10296, 10520, 11440, 11572, 11835, 11880, 12624, 12870, 13676, 14040, 14202, 14465, 15444, 15780, 17095, 17160, 17358, 18936, 19305, 20514, 20592, 21040, 23144, 23670, 23760, 25740, 26037, 27352, 28080, 28404, 28930, 30771, 30888, 31560, 34190, 34320, 34716, 35505, 37609, 37872, 38610, 41028, 43395, 46288, 47340, 51285, 51480, 52074, 54704, 56808, 57860, 61542, 61776, 63120, 68380, 69432, 71010, 75218, 77220, 78111, 82056, 86790, 92313, 94680, 102570, 102960, 104148, 112827, 113616, 115720, 123084, 130185, 136760, 138864, 142020, 150436, 153855, 154440, 156222, 164112, 173580, 184626, 188045, 189360, 205140, 208296, 225654, 231440, 246168, 260370, 273520, 284040, 300872, 307710, 308880, 312444, 338481, 347160, 369252, 376090, 390555, 410280, 416592, 451308, 461565, 492336, 520740, 564135, 568080, 601744, 615420, 624888, 676962, 694320, 738504, 752180, 781110, 820560, 902616, 923130, 1015443, 1041480, 1128270, 1230840, 1249776, 1353924, 1477008, 1504360, 1562220, 1692405, 1805232, 1846260, 2030886, 2082960, 2256540, 2461680, 2707848, 3008720, 3124440, 3384810, 3692520, 4061772, 4513080, 5077215, 5415696, 6248880, 6769620, 7385040, 8123544, 9026160, 10154430, 13539240, 16247088, 20308860, 27078480, 40617720, 81235440]

約数ペア:

[(1, 81235440), (2, 40617720), (3, 27078480), (4, 20308860), (5, 16247088), (6, 13539240), (8, 10154430), (9, 9026160), (10, 8123544), (11, 7385040), (12, 6769620), (13, 6248880), (15, 5415696), (16, 5077215), (18, 4513080), (20, 4061772), (22, 3692520), (24, 3384810), (26, 3124440), (27, 3008720), (30, 2707848), (33, 2461680), (36, 2256540), (39, 2082960), (40, 2030886), (44, 1846260), (45, 1805232), (48, 1692405), (52, 1562220), (54, 1504360), (55, 1477008), (60, 1353924), (65, 1249776), (66, 1230840), (72, 1128270), (78, 1041480), (80, 1015443), (88, 923130), (90, 902616), (99, 820560), (104, 781110), (108, 752180), (110, 738504), (117, 694320), (120, 676962), (130, 624888), (132, 615420), (135, 601744), (143, 568080), (144, 564135), (156, 520740), (165, 492336), (176, 461565), (180, 451308), (195, 416592), (198, 410280), (208, 390555), (216, 376090), (220, 369252), (234, 347160), (240, 338481), (260, 312444), (263, 308880), (264, 307710), (270, 300872), (286, 284040), (297, 273520), (312, 260370), (330, 246168), (351, 231440), (360, 225654), (390, 208296), (396, 205140), (429, 189360), (432, 188045), (440, 184626), (468, 173580), (495, 164112), (520, 156222), (526, 154440), (528, 153855), (540, 150436), (572, 142020), (585, 138864), (594, 136760), (624, 130185), (660, 123084), (702, 115720), (715, 113616), (720, 112827), (780, 104148), (789, 102960), (792, 102570), (858, 94680), (880, 92313), (936, 86790), (990, 82056), (1040, 78111), (1052, 77220), (1080, 75218), (1144, 71010), (1170, 69432), (1188, 68380), (1287, 63120), (1315, 61776), (1320, 61542), (1404, 57860), (1430, 56808), (1485, 54704), (1560, 52074), (1578, 51480), (1584, 51285), (1716, 47340), (1755, 46288), (1872, 43395), (1980, 41028), (2104, 38610), (2145, 37872), (2160, 37609), (2288, 35505), (2340, 34716), (2367, 34320), (2376, 34190), (2574, 31560), (2630, 30888), (2640, 30771), (2808, 28930), (2860, 28404), (2893, 28080), (2970, 27352), (3120, 26037), (3156, 25740), (3419, 23760), (3432, 23670), (3510, 23144), (3861, 21040), (3945, 20592), (3960, 20514), (4208, 19305), (4290, 18936), (4680, 17358), (4734, 17160), (4752, 17095), (5148, 15780), (5260, 15444), (5616, 14465), (5720, 14202), (5786, 14040), (5940, 13676), (6312, 12870), (6435, 12624), (6838, 11880), (6864, 11835), (7020, 11572), (7101, 11440), (7722, 10520), (7890, 10296), (7920, 10257), (8580, 9468), (8679, 9360)]