81874260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 279417600

約数和(自身を除く): 197543340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 107, 108, 109, 117, 130, 135, 156, 180, 195, 214, 218, 234, 260, 270, 321, 327, 351, 390, 428, 436, 468, 535, 540, 545, 585, 642, 654, 702, 780, 963, 981, 1070, 1090, 1170, 1284, 1308, 1391, 1404, 1417, 1605, 1635, 1755, 1926, 1962, 2140, 2180, 2340, 2782, 2834, 2889, 2943, 3210, 3270, 3510, 3852, 3924, 4173, 4251, 4815, 4905, 5564, 5668, 5778, 5886, 6420, 6540, 6955, 7020, 7085, 8346, 8502, 9630, 9810, 11556, 11663, 11772, 12519, 12753, 13910, 14170, 14445, 14715, 16692, 17004, 19260, 19620, 20865, 21255, 23326, 25038, 25506, 27820, 28340, 28890, 29430, 34989, 37557, 38259, 41730, 42510, 46652, 50076, 51012, 57780, 58315, 58860, 62595, 63765, 69978, 75114, 76518, 83460, 85020, 104967, 116630, 125190, 127530, 139956, 150228, 151619, 153036, 174945, 187785, 191295, 209934, 233260, 250380, 255060, 303238, 314901, 349890, 375570, 382590, 419868, 454857, 524835, 606476, 629802, 699780, 751140, 758095, 765180, 909714, 1049670, 1259604, 1364571, 1516190, 1574505, 1819428, 2099340, 2274285, 2729142, 3032380, 3149010, 4093713, 4548570, 5458284, 6298020, 6822855, 8187426, 9097140, 13645710, 16374852, 20468565, 27291420, 40937130, 81874260]

約数ペア:

[(1, 81874260), (2, 40937130), (3, 27291420), (4, 20468565), (5, 16374852), (6, 13645710), (9, 9097140), (10, 8187426), (12, 6822855), (13, 6298020), (15, 5458284), (18, 4548570), (20, 4093713), (26, 3149010), (27, 3032380), (30, 2729142), (36, 2274285), (39, 2099340), (45, 1819428), (52, 1574505), (54, 1516190), (60, 1364571), (65, 1259604), (78, 1049670), (90, 909714), (107, 765180), (108, 758095), (109, 751140), (117, 699780), (130, 629802), (135, 606476), (156, 524835), (180, 454857), (195, 419868), (214, 382590), (218, 375570), (234, 349890), (260, 314901), (270, 303238), (321, 255060), (327, 250380), (351, 233260), (390, 209934), (428, 191295), (436, 187785), (468, 174945), (535, 153036), (540, 151619), (545, 150228), (585, 139956), (642, 127530), (654, 125190), (702, 116630), (780, 104967), (963, 85020), (981, 83460), (1070, 76518), (1090, 75114), (1170, 69978), (1284, 63765), (1308, 62595), (1391, 58860), (1404, 58315), (1417, 57780), (1605, 51012), (1635, 50076), (1755, 46652), (1926, 42510), (1962, 41730), (2140, 38259), (2180, 37557), (2340, 34989), (2782, 29430), (2834, 28890), (2889, 28340), (2943, 27820), (3210, 25506), (3270, 25038), (3510, 23326), (3852, 21255), (3924, 20865), (4173, 19620), (4251, 19260), (4815, 17004), (4905, 16692), (5564, 14715), (5668, 14445), (5778, 14170), (5886, 13910), (6420, 12753), (6540, 12519), (6955, 11772), (7020, 11663), (7085, 11556), (8346, 9810), (8502, 9630)]