20736776880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1787}}^1$

素因数の和:2104

約数の個数: 240

約数和(自身を含む): 70972671744

約数和(自身を除く): 50235894864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 227, 240, 284, 355, 360, 426, 454, 568, 639, 681, 710, 720, 852, 908, 1065, 1135, 1136, 1278, 1362, 1420, 1704, 1787, 1816, 2043, 2130, 2270, 2556, 2724, 2840, 3195, 3405, 3408, 3574, 3632, 4086, 4260, 4540, 5112, 5361, 5448, 5680, 6390, 6810, 7148, 8172, 8520, 8935, 9080, 10215, 10224, 10722, 10896, 12780, 13620, 14296, 16083, 16117, 16344, 17040, 17870, 18160, 20430, 21444, 25560, 26805, 27240, 28592, 32166, 32234, 32688, 35740, 40860, 42888, 48351, 51120, 53610, 54480, 64332, 64468, 71480, 80415, 80585, 81720, 85776, 96702, 107220, 126877, 128664, 128936, 142960, 145053, 160830, 161170, 163440, 193404, 214440, 241755, 253754, 257328, 257872, 290106, 321660, 322340, 380631, 386808, 405649, 428880, 483510, 507508, 580212, 634385, 643320, 644680, 725265, 761262, 773616, 811298, 967020, 1015016, 1141893, 1160424, 1216947, 1268770, 1286640, 1289360, 1450530, 1522524, 1622596, 1903155, 1934040, 2028245, 2030032, 2283786, 2320848, 2433894, 2537540, 2901060, 3045048, 3245192, 3650841, 3806310, 3868080, 4056490, 4567572, 4867788, 5075080, 5709465, 5802120, 6084735, 6090096, 6490384, 7301682, 7612620, 8112980, 9135144, 9735576, 10150160, 11418930, 11604240, 12169470, 14603364, 15225240, 16225960, 18254205, 18270288, 19471152, 22837860, 24338940, 28801079, 29206728, 30450480, 32451920, 36508410, 45675720, 48677880, 57602158, 58413456, 73016820, 86403237, 91351440, 97355760, 115204316, 144005395, 146033640, 172806474, 230408632, 259209711, 288010790, 292067280, 345612948, 432016185, 460817264, 518419422, 576021580, 691225896, 864032370, 1036838844, 1152043160, 1296048555, 1382451792, 1728064740, 2073677688, 2304086320, 2592097110, 3456129480, 4147355376, 5184194220, 6912258960, 10368388440, 20736776880]

約数ペア:

[(1, 20736776880), (2, 10368388440), (3, 6912258960), (4, 5184194220), (5, 4147355376), (6, 3456129480), (8, 2592097110), (9, 2304086320), (10, 2073677688), (12, 1728064740), (15, 1382451792), (16, 1296048555), (18, 1152043160), (20, 1036838844), (24, 864032370), (30, 691225896), (36, 576021580), (40, 518419422), (45, 460817264), (48, 432016185), (60, 345612948), (71, 292067280), (72, 288010790), (80, 259209711), (90, 230408632), (120, 172806474), (142, 146033640), (144, 144005395), (180, 115204316), (213, 97355760), (227, 91351440), (240, 86403237), (284, 73016820), (355, 58413456), (360, 57602158), (426, 48677880), (454, 45675720), (568, 36508410), (639, 32451920), (681, 30450480), (710, 29206728), (720, 28801079), (852, 24338940), (908, 22837860), (1065, 19471152), (1135, 18270288), (1136, 18254205), (1278, 16225960), (1362, 15225240), (1420, 14603364), (1704, 12169470), (1787, 11604240), (1816, 11418930), (2043, 10150160), (2130, 9735576), (2270, 9135144), (2556, 8112980), (2724, 7612620), (2840, 7301682), (3195, 6490384), (3405, 6090096), (3408, 6084735), (3574, 5802120), (3632, 5709465), (4086, 5075080), (4260, 4867788), (4540, 4567572), (5112, 4056490), (5361, 3868080), (5448, 3806310), (5680, 3650841), (6390, 3245192), (6810, 3045048), (7148, 2901060), (8172, 2537540), (8520, 2433894), (8935, 2320848), (9080, 2283786), (10215, 2030032), (10224, 2028245), (10722, 1934040), (10896, 1903155), (12780, 1622596), (13620, 1522524), (14296, 1450530), (16083, 1289360), (16117, 1286640), (16344, 1268770), (17040, 1216947), (17870, 1160424), (18160, 1141893), (20430, 1015016), (21444, 967020), (25560, 811298), (26805, 773616), (27240, 761262), (28592, 725265), (32166, 644680), (32234, 643320), (32688, 634385), (35740, 580212), (40860, 507508), (42888, 483510), (48351, 428880), (51120, 405649), (53610, 386808), (54480, 380631), (64332, 322340), (64468, 321660), (71480, 290106), (80415, 257872), (80585, 257328), (81720, 253754), (85776, 241755), (96702, 214440), (107220, 193404), (126877, 163440), (128664, 161170), (128936, 160830), (142960, 145053)]