80901240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 302054400

約数和(自身を除く): 221153160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 56, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 120, 133, 137, 140, 148, 152, 168, 185, 190, 210, 222, 228, 259, 266, 274, 280, 285, 296, 370, 380, 399, 411, 420, 444, 456, 518, 532, 548, 555, 570, 665, 685, 703, 740, 760, 777, 798, 822, 840, 888, 959, 1036, 1064, 1096, 1110, 1140, 1295, 1330, 1370, 1406, 1480, 1554, 1596, 1644, 1918, 1995, 2055, 2072, 2109, 2220, 2280, 2590, 2603, 2660, 2740, 2812, 2877, 3108, 3192, 3288, 3515, 3836, 3885, 3990, 4110, 4218, 4440, 4795, 4921, 5069, 5180, 5206, 5320, 5480, 5624, 5754, 6216, 7030, 7672, 7770, 7809, 7980, 8220, 8436, 9590, 9842, 10138, 10360, 10412, 10545, 11508, 13015, 14060, 14385, 14763, 15207, 15540, 15618, 15960, 16440, 16872, 18221, 19180, 19684, 20276, 20824, 21090, 23016, 24605, 25345, 26030, 28120, 28770, 29526, 30414, 31080, 31236, 35483, 36442, 38360, 39045, 39368, 40552, 42180, 49210, 50690, 52060, 54663, 57540, 59052, 60828, 62472, 70966, 72884, 73815, 76035, 78090, 84360, 91105, 96311, 98420, 101380, 104120, 106449, 109326, 115080, 118104, 121656, 141932, 145768, 147630, 152070, 156180, 177415, 182210, 192622, 196840, 202760, 212898, 218652, 273315, 283864, 288933, 295260, 304140, 312360, 354830, 364420, 385244, 425796, 437304, 481555, 532245, 546630, 577866, 590520, 608280, 674177, 709660, 728840, 770488, 851592, 963110, 1064490, 1093260, 1155732, 1348354, 1419320, 1444665, 1926220, 2022531, 2128980, 2186520, 2311464, 2696708, 2889330, 3370885, 3852440, 4045062, 4257960, 5393416, 5778660, 6741770, 8090124, 10112655, 11557320, 13483540, 16180248, 20225310, 26967080, 40450620, 80901240]

約数ペア:

[(1, 80901240), (2, 40450620), (3, 26967080), (4, 20225310), (5, 16180248), (6, 13483540), (7, 11557320), (8, 10112655), (10, 8090124), (12, 6741770), (14, 5778660), (15, 5393416), (19, 4257960), (20, 4045062), (21, 3852440), (24, 3370885), (28, 2889330), (30, 2696708), (35, 2311464), (37, 2186520), (38, 2128980), (40, 2022531), (42, 1926220), (56, 1444665), (57, 1419320), (60, 1348354), (70, 1155732), (74, 1093260), (76, 1064490), (84, 963110), (95, 851592), (105, 770488), (111, 728840), (114, 709660), (120, 674177), (133, 608280), (137, 590520), (140, 577866), (148, 546630), (152, 532245), (168, 481555), (185, 437304), (190, 425796), (210, 385244), (222, 364420), (228, 354830), (259, 312360), (266, 304140), (274, 295260), (280, 288933), (285, 283864), (296, 273315), (370, 218652), (380, 212898), (399, 202760), (411, 196840), (420, 192622), (444, 182210), (456, 177415), (518, 156180), (532, 152070), (548, 147630), (555, 145768), (570, 141932), (665, 121656), (685, 118104), (703, 115080), (740, 109326), (760, 106449), (777, 104120), (798, 101380), (822, 98420), (840, 96311), (888, 91105), (959, 84360), (1036, 78090), (1064, 76035), (1096, 73815), (1110, 72884), (1140, 70966), (1295, 62472), (1330, 60828), (1370, 59052), (1406, 57540), (1480, 54663), (1554, 52060), (1596, 50690), (1644, 49210), (1918, 42180), (1995, 40552), (2055, 39368), (2072, 39045), (2109, 38360), (2220, 36442), (2280, 35483), (2590, 31236), (2603, 31080), (2660, 30414), (2740, 29526), (2812, 28770), (2877, 28120), (3108, 26030), (3192, 25345), (3288, 24605), (3515, 23016), (3836, 21090), (3885, 20824), (3990, 20276), (4110, 19684), (4218, 19180), (4440, 18221), (4795, 16872), (4921, 16440), (5069, 15960), (5180, 15618), (5206, 15540), (5320, 15207), (5480, 14763), (5624, 14385), (5754, 14060), (6216, 13015), (7030, 11508), (7672, 10545), (7770, 10412), (7809, 10360), (7980, 10138), (8220, 9842), (8436, 9590)]