81184320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{4027}}^1$

素因数の和:4057

約数の個数: 168

約数和(自身を含む): 319210944

約数和(自身を除く): 238026624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4027, 4032, 5040, 6720, 8054, 10080, 12081, 16108, 20135, 20160, 24162, 28189, 32216, 36243, 40270, 48324, 56378, 60405, 64432, 72486, 80540, 84567, 96648, 112756, 120810, 128864, 140945, 144972, 161080, 169134, 181215, 193296, 225512, 241620, 253701, 257728, 281890, 289944, 322160, 338268, 362430, 386592, 422835, 451024, 483240, 507402, 563780, 579888, 644320, 676536, 724860, 773184, 845670, 902048, 966480, 1014804, 1127560, 1159776, 1268505, 1288640, 1353072, 1449720, 1691340, 1804096, 1932960, 2029608, 2255120, 2319552, 2537010, 2706144, 2899440, 3382680, 3865920, 4059216, 4510240, 5074020, 5412288, 5798880, 6765360, 8118432, 9020480, 10148040, 11597760, 13530720, 16236864, 20296080, 27061440, 40592160, 81184320]

約数ペア:

[(1, 81184320), (2, 40592160), (3, 27061440), (4, 20296080), (5, 16236864), (6, 13530720), (7, 11597760), (8, 10148040), (9, 9020480), (10, 8118432), (12, 6765360), (14, 5798880), (15, 5412288), (16, 5074020), (18, 4510240), (20, 4059216), (21, 3865920), (24, 3382680), (28, 2899440), (30, 2706144), (32, 2537010), (35, 2319552), (36, 2255120), (40, 2029608), (42, 1932960), (45, 1804096), (48, 1691340), (56, 1449720), (60, 1353072), (63, 1288640), (64, 1268505), (70, 1159776), (72, 1127560), (80, 1014804), (84, 966480), (90, 902048), (96, 845670), (105, 773184), (112, 724860), (120, 676536), (126, 644320), (140, 579888), (144, 563780), (160, 507402), (168, 483240), (180, 451024), (192, 422835), (210, 386592), (224, 362430), (240, 338268), (252, 322160), (280, 289944), (288, 281890), (315, 257728), (320, 253701), (336, 241620), (360, 225512), (420, 193296), (448, 181215), (480, 169134), (504, 161080), (560, 144972), (576, 140945), (630, 128864), (672, 120810), (720, 112756), (840, 96648), (960, 84567), (1008, 80540), (1120, 72486), (1260, 64432), (1344, 60405), (1440, 56378), (1680, 48324), (2016, 40270), (2240, 36243), (2520, 32216), (2880, 28189), (3360, 24162), (4027, 20160), (4032, 20135), (5040, 16108), (6720, 12081), (8054, 10080)]