81510240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1469

約数の個数: 192

約数和(自身を含む): 310915584

約数和(自身を除く): 229405344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1427, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2854, 2856, 3360, 3570, 3808, 4080, 4281, 4760, 5708, 5712, 7135, 7140, 8160, 8562, 9520, 9989, 11416, 11424, 14270, 14280, 17124, 19040, 19978, 21405, 22832, 24259, 28540, 28560, 29967, 34248, 39956, 42810, 45664, 48518, 49945, 57080, 57120, 59934, 68496, 72777, 79912, 85620, 97036, 99890, 114160, 119868, 121295, 136992, 145554, 149835, 159824, 169813, 171240, 194072, 199780, 228320, 239736, 242590, 291108, 299670, 319648, 339626, 342480, 363885, 388144, 399560, 479472, 485180, 509439, 582216, 599340, 679252, 684960, 727770, 776288, 799120, 849065, 958944, 970360, 1018878, 1164432, 1198680, 1358504, 1455540, 1598240, 1698130, 1940720, 2037756, 2328864, 2397360, 2547195, 2717008, 2911080, 3396260, 3881440, 4075512, 4794720, 5094390, 5434016, 5822160, 6792520, 8151024, 10188780, 11644320, 13585040, 16302048, 20377560, 27170080, 40755120, 81510240]

約数ペア:

[(1, 81510240), (2, 40755120), (3, 27170080), (4, 20377560), (5, 16302048), (6, 13585040), (7, 11644320), (8, 10188780), (10, 8151024), (12, 6792520), (14, 5822160), (15, 5434016), (16, 5094390), (17, 4794720), (20, 4075512), (21, 3881440), (24, 3396260), (28, 2911080), (30, 2717008), (32, 2547195), (34, 2397360), (35, 2328864), (40, 2037756), (42, 1940720), (48, 1698130), (51, 1598240), (56, 1455540), (60, 1358504), (68, 1198680), (70, 1164432), (80, 1018878), (84, 970360), (85, 958944), (96, 849065), (102, 799120), (105, 776288), (112, 727770), (119, 684960), (120, 679252), (136, 599340), (140, 582216), (160, 509439), (168, 485180), (170, 479472), (204, 399560), (210, 388144), (224, 363885), (238, 342480), (240, 339626), (255, 319648), (272, 299670), (280, 291108), (336, 242590), (340, 239736), (357, 228320), (408, 199780), (420, 194072), (476, 171240), (480, 169813), (510, 159824), (544, 149835), (560, 145554), (595, 136992), (672, 121295), (680, 119868), (714, 114160), (816, 99890), (840, 97036), (952, 85620), (1020, 79912), (1120, 72777), (1190, 68496), (1360, 59934), (1427, 57120), (1428, 57080), (1632, 49945), (1680, 48518), (1785, 45664), (1904, 42810), (2040, 39956), (2380, 34248), (2720, 29967), (2854, 28560), (2856, 28540), (3360, 24259), (3570, 22832), (3808, 21405), (4080, 19978), (4281, 19040), (4760, 17124), (5708, 14280), (5712, 14270), (7135, 11424), (7140, 11416), (8160, 9989), (8562, 9520)]