81498690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 256

約数和(自身を含む): 278691840

約数和(自身を除く): 197193150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 42, 45, 54, 62, 63, 65, 70, 78, 90, 91, 93, 105, 107, 117, 126, 130, 135, 155, 182, 186, 189, 195, 210, 214, 217, 234, 270, 273, 279, 310, 315, 321, 351, 378, 390, 403, 434, 455, 465, 535, 546, 558, 585, 630, 642, 651, 702, 749, 806, 819, 837, 910, 930, 945, 963, 1070, 1085, 1170, 1209, 1302, 1365, 1391, 1395, 1498, 1605, 1638, 1674, 1755, 1890, 1926, 1953, 2015, 2170, 2247, 2418, 2457, 2730, 2782, 2790, 2821, 2889, 3210, 3255, 3317, 3510, 3627, 3745, 3906, 4030, 4095, 4173, 4185, 4494, 4815, 4914, 5642, 5778, 5859, 6045, 6510, 6634, 6741, 6955, 7254, 7490, 8190, 8346, 8370, 8463, 9630, 9737, 9765, 9951, 10881, 11235, 11718, 12090, 12285, 12519, 13482, 13910, 14105, 14445, 16585, 16926, 18135, 19474, 19530, 19902, 20223, 20865, 21762, 22470, 23219, 24570, 25038, 25389, 28210, 28890, 29211, 29295, 29853, 33170, 33705, 36270, 37557, 40446, 41730, 42315, 43121, 46438, 48685, 49755, 50778, 54405, 58422, 58590, 59706, 62595, 67410, 69657, 75114, 76167, 84630, 86242, 87633, 89559, 97370, 99510, 101115, 108810, 116095, 125190, 126945, 129363, 139314, 146055, 149265, 152334, 175266, 179118, 187785, 202230, 208971, 215605, 232190, 253890, 258726, 262899, 292110, 298530, 301847, 348285, 375570, 380835, 388089, 417942, 431210, 438165, 447795, 525798, 603694, 626913, 646815, 696570, 761670, 776178, 876330, 895590, 905541, 1044855, 1164267, 1253826, 1293630, 1314495, 1509235, 1811082, 1940445, 2089710, 2328534, 2628990, 2716623, 3018470, 3134565, 3880890, 4527705, 5433246, 5821335, 6269130, 8149869, 9055410, 11642670, 13583115, 16299738, 27166230, 40749345, 81498690]

約数ペア:

[(1, 81498690), (2, 40749345), (3, 27166230), (5, 16299738), (6, 13583115), (7, 11642670), (9, 9055410), (10, 8149869), (13, 6269130), (14, 5821335), (15, 5433246), (18, 4527705), (21, 3880890), (26, 3134565), (27, 3018470), (30, 2716623), (31, 2628990), (35, 2328534), (39, 2089710), (42, 1940445), (45, 1811082), (54, 1509235), (62, 1314495), (63, 1293630), (65, 1253826), (70, 1164267), (78, 1044855), (90, 905541), (91, 895590), (93, 876330), (105, 776178), (107, 761670), (117, 696570), (126, 646815), (130, 626913), (135, 603694), (155, 525798), (182, 447795), (186, 438165), (189, 431210), (195, 417942), (210, 388089), (214, 380835), (217, 375570), (234, 348285), (270, 301847), (273, 298530), (279, 292110), (310, 262899), (315, 258726), (321, 253890), (351, 232190), (378, 215605), (390, 208971), (403, 202230), (434, 187785), (455, 179118), (465, 175266), (535, 152334), (546, 149265), (558, 146055), (585, 139314), (630, 129363), (642, 126945), (651, 125190), (702, 116095), (749, 108810), (806, 101115), (819, 99510), (837, 97370), (910, 89559), (930, 87633), (945, 86242), (963, 84630), (1070, 76167), (1085, 75114), (1170, 69657), (1209, 67410), (1302, 62595), (1365, 59706), (1391, 58590), (1395, 58422), (1498, 54405), (1605, 50778), (1638, 49755), (1674, 48685), (1755, 46438), (1890, 43121), (1926, 42315), (1953, 41730), (2015, 40446), (2170, 37557), (2247, 36270), (2418, 33705), (2457, 33170), (2730, 29853), (2782, 29295), (2790, 29211), (2821, 28890), (2889, 28210), (3210, 25389), (3255, 25038), (3317, 24570), (3510, 23219), (3627, 22470), (3745, 21762), (3906, 20865), (4030, 20223), (4095, 19902), (4173, 19530), (4185, 19474), (4494, 18135), (4815, 16926), (4914, 16585), (5642, 14445), (5778, 14105), (5859, 13910), (6045, 13482), (6510, 12519), (6634, 12285), (6741, 12090), (6955, 11718), (7254, 11235), (7490, 10881), (8190, 9951), (8346, 9765), (8370, 9737), (8463, 9630)]