1251249720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:502

約数の個数: 256

約数和(自身を含む): 4454645760

約数和(自身を除く): 3203396040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 127, 140, 148, 168, 185, 210, 222, 254, 259, 280, 296, 317, 370, 381, 420, 444, 508, 518, 555, 634, 635, 740, 762, 777, 840, 888, 889, 951, 1016, 1036, 1110, 1268, 1270, 1295, 1480, 1524, 1554, 1585, 1778, 1902, 1905, 2072, 2219, 2220, 2536, 2540, 2590, 2667, 3048, 3108, 3170, 3556, 3804, 3810, 3885, 4438, 4440, 4445, 4699, 4755, 5080, 5180, 5334, 6216, 6340, 6657, 7112, 7608, 7620, 7770, 8876, 8890, 9398, 9510, 10360, 10668, 11095, 11729, 12680, 13314, 13335, 14097, 15240, 15540, 17752, 17780, 18796, 19020, 21336, 22190, 23458, 23495, 26628, 26670, 28194, 31080, 32893, 33285, 35187, 35560, 37592, 38040, 40259, 44380, 46916, 46990, 53256, 53340, 56388, 58645, 65786, 66570, 70374, 70485, 80518, 82103, 88760, 93832, 93980, 98679, 106680, 112776, 117290, 120777, 131572, 133140, 140748, 140970, 161036, 164206, 164465, 175935, 187960, 197358, 201295, 234580, 241554, 246309, 263144, 266280, 281496, 281813, 281940, 322072, 328412, 328930, 351870, 394716, 402590, 410515, 469160, 483108, 492618, 493395, 563626, 563880, 603885, 656824, 657860, 703740, 789432, 805180, 821030, 845439, 966216, 985236, 986790, 1127252, 1207770, 1231545, 1315720, 1407480, 1409065, 1489583, 1610360, 1642060, 1690878, 1970472, 1973580, 2254504, 2415540, 2463090, 2818130, 2979166, 3284120, 3381756, 3947160, 4227195, 4468749, 4831080, 4926180, 5636260, 5958332, 6763512, 7447915, 8454390, 8937498, 9852360, 10427081, 11272520, 11916664, 14895830, 16908780, 17874996, 20854162, 22343745, 29791660, 31281243, 33817560, 35749992, 41708324, 44687490, 52135405, 59583320, 62562486, 83416648, 89374980, 104270810, 125124972, 156406215, 178749960, 208541620, 250249944, 312812430, 417083240, 625624860, 1251249720]

約数ペア:

[(1, 1251249720), (2, 625624860), (3, 417083240), (4, 312812430), (5, 250249944), (6, 208541620), (7, 178749960), (8, 156406215), (10, 125124972), (12, 104270810), (14, 89374980), (15, 83416648), (20, 62562486), (21, 59583320), (24, 52135405), (28, 44687490), (30, 41708324), (35, 35749992), (37, 33817560), (40, 31281243), (42, 29791660), (56, 22343745), (60, 20854162), (70, 17874996), (74, 16908780), (84, 14895830), (105, 11916664), (111, 11272520), (120, 10427081), (127, 9852360), (140, 8937498), (148, 8454390), (168, 7447915), (185, 6763512), (210, 5958332), (222, 5636260), (254, 4926180), (259, 4831080), (280, 4468749), (296, 4227195), (317, 3947160), (370, 3381756), (381, 3284120), (420, 2979166), (444, 2818130), (508, 2463090), (518, 2415540), (555, 2254504), (634, 1973580), (635, 1970472), (740, 1690878), (762, 1642060), (777, 1610360), (840, 1489583), (888, 1409065), (889, 1407480), (951, 1315720), (1016, 1231545), (1036, 1207770), (1110, 1127252), (1268, 986790), (1270, 985236), (1295, 966216), (1480, 845439), (1524, 821030), (1554, 805180), (1585, 789432), (1778, 703740), (1902, 657860), (1905, 656824), (2072, 603885), (2219, 563880), (2220, 563626), (2536, 493395), (2540, 492618), (2590, 483108), (2667, 469160), (3048, 410515), (3108, 402590), (3170, 394716), (3556, 351870), (3804, 328930), (3810, 328412), (3885, 322072), (4438, 281940), (4440, 281813), (4445, 281496), (4699, 266280), (4755, 263144), (5080, 246309), (5180, 241554), (5334, 234580), (6216, 201295), (6340, 197358), (6657, 187960), (7112, 175935), (7608, 164465), (7620, 164206), (7770, 161036), (8876, 140970), (8890, 140748), (9398, 133140), (9510, 131572), (10360, 120777), (10668, 117290), (11095, 112776), (11729, 106680), (12680, 98679), (13314, 93980), (13335, 93832), (14097, 88760), (15240, 82103), (15540, 80518), (17752, 70485), (17780, 70374), (18796, 66570), (19020, 65786), (21336, 58645), (22190, 56388), (23458, 53340), (23495, 53256), (26628, 46990), (26670, 46916), (28194, 44380), (31080, 40259), (32893, 38040), (33285, 37592), (35187, 35560)]