257236560

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 400

約数和(自身を含む): 1050039936

約数和(自身を除く): 792803376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 106, 107, 108, 112, 120, 126, 135, 140, 144, 159, 162, 168, 180, 189, 210, 212, 214, 216, 240, 252, 265, 270, 280, 315, 318, 321, 324, 336, 360, 371, 378, 405, 420, 424, 428, 432, 477, 504, 530, 535, 540, 560, 567, 630, 636, 642, 648, 720, 742, 749, 756, 795, 810, 840, 848, 856, 945, 954, 963, 1008, 1060, 1070, 1080, 1113, 1134, 1260, 1272, 1284, 1296, 1431, 1484, 1498, 1512, 1590, 1605, 1620, 1680, 1712, 1855, 1890, 1908, 1926, 2120, 2140, 2160, 2226, 2247, 2268, 2385, 2520, 2544, 2568, 2835, 2862, 2889, 2968, 2996, 3024, 3180, 3210, 3240, 3339, 3710, 3745, 3780, 3816, 3852, 4240, 4280, 4293, 4452, 4494, 4536, 4770, 4815, 5040, 5136, 5565, 5670, 5671, 5724, 5778, 5936, 5992, 6360, 6420, 6480, 6678, 6741, 7155, 7420, 7490, 7560, 7632, 7704, 8560, 8586, 8667, 8904, 8988, 9072, 9540, 9630, 10017, 11130, 11235, 11340, 11342, 11448, 11556, 11984, 12720, 12840, 13356, 13482, 14310, 14445, 14840, 14980, 15120, 15408, 16695, 17013, 17172, 17334, 17808, 17976, 19080, 19260, 20034, 20223, 21465, 22260, 22470, 22680, 22684, 22896, 23112, 25680, 26712, 26964, 28355, 28620, 28890, 29680, 29960, 30051, 33390, 33705, 34026, 34344, 34668, 35952, 38160, 38520, 39697, 40068, 40446, 42930, 43335, 44520, 44940, 45360, 45368, 46224, 50085, 51039, 53424, 53928, 56710, 57240, 57780, 59920, 60102, 60669, 66780, 67410, 68052, 68688, 69336, 77040, 79394, 80136, 80892, 85065, 85860, 86670, 89040, 89880, 90736, 100170, 101115, 102078, 107856, 113420, 114480, 115560, 119091, 120204, 121338, 133560, 134820, 136104, 138672, 150255, 153117, 158788, 160272, 161784, 170130, 171720, 173340, 179760, 198485, 200340, 202230, 204156, 226840, 231120, 238182, 240408, 242676, 255195, 267120, 269640, 272208, 300510, 303345, 306234, 317576, 323568, 340260, 343440, 346680, 357273, 396970, 400680, 404460, 408312, 453680, 459351, 476364, 480816, 485352, 510390, 539280, 595455, 601020, 606690, 612468, 635152, 680520, 693360, 714546, 765585, 793940, 801360, 808920, 816624, 918702, 952728, 970704, 1020780, 1071819, 1190910, 1202040, 1213380, 1224936, 1361040, 1429092, 1531170, 1587880, 1617840, 1786365, 1837404, 1905456, 2041560, 2143638, 2296755, 2381820, 2404080, 2426760, 2449872, 2858184, 3062340, 3175760, 3215457, 3572730, 3674808, 4083120, 4287276, 4593510, 4763640, 4853520, 5359095, 5716368, 6124680, 6430914, 7145460, 7349616, 8574552, 9187020, 9527280, 10718190, 12249360, 12861828, 14290920, 16077285, 17149104, 18374040, 21436380, 25723656, 28581840, 32154570, 36748080, 42872760, 51447312, 64309140, 85745520, 128618280, 257236560]

約数ペア:

[(1, 257236560), (2, 128618280), (3, 85745520), (4, 64309140), (5, 51447312), (6, 42872760), (7, 36748080), (8, 32154570), (9, 28581840), (10, 25723656), (12, 21436380), (14, 18374040), (15, 17149104), (16, 16077285), (18, 14290920), (20, 12861828), (21, 12249360), (24, 10718190), (27, 9527280), (28, 9187020), (30, 8574552), (35, 7349616), (36, 7145460), (40, 6430914), (42, 6124680), (45, 5716368), (48, 5359095), (53, 4853520), (54, 4763640), (56, 4593510), (60, 4287276), (63, 4083120), (70, 3674808), (72, 3572730), (80, 3215457), (81, 3175760), (84, 3062340), (90, 2858184), (105, 2449872), (106, 2426760), (107, 2404080), (108, 2381820), (112, 2296755), (120, 2143638), (126, 2041560), (135, 1905456), (140, 1837404), (144, 1786365), (159, 1617840), (162, 1587880), (168, 1531170), (180, 1429092), (189, 1361040), (210, 1224936), (212, 1213380), (214, 1202040), (216, 1190910), (240, 1071819), (252, 1020780), (265, 970704), (270, 952728), (280, 918702), (315, 816624), (318, 808920), (321, 801360), (324, 793940), (336, 765585), (360, 714546), (371, 693360), (378, 680520), (405, 635152), (420, 612468), (424, 606690), (428, 601020), (432, 595455), (477, 539280), (504, 510390), (530, 485352), (535, 480816), (540, 476364), (560, 459351), (567, 453680), (630, 408312), (636, 404460), (642, 400680), (648, 396970), (720, 357273), (742, 346680), (749, 343440), (756, 340260), (795, 323568), (810, 317576), (840, 306234), (848, 303345), (856, 300510), (945, 272208), (954, 269640), (963, 267120), (1008, 255195), (1060, 242676), (1070, 240408), (1080, 238182), (1113, 231120), (1134, 226840), (1260, 204156), (1272, 202230), (1284, 200340), (1296, 198485), (1431, 179760), (1484, 173340), (1498, 171720), (1512, 170130), (1590, 161784), (1605, 160272), (1620, 158788), (1680, 153117), (1712, 150255), (1855, 138672), (1890, 136104), (1908, 134820), (1926, 133560), (2120, 121338), (2140, 120204), (2160, 119091), (2226, 115560), (2247, 114480), (2268, 113420), (2385, 107856), (2520, 102078), (2544, 101115), (2568, 100170), (2835, 90736), (2862, 89880), (2889, 89040), (2968, 86670), (2996, 85860), (3024, 85065), (3180, 80892), (3210, 80136), (3240, 79394), (3339, 77040), (3710, 69336), (3745, 68688), (3780, 68052), (3816, 67410), (3852, 66780), (4240, 60669), (4280, 60102), (4293, 59920), (4452, 57780), (4494, 57240), (4536, 56710), (4770, 53928), (4815, 53424), (5040, 51039), (5136, 50085), (5565, 46224), (5670, 45368), (5671, 45360), (5724, 44940), (5778, 44520), (5936, 43335), (5992, 42930), (6360, 40446), (6420, 40068), (6480, 39697), (6678, 38520), (6741, 38160), (7155, 35952), (7420, 34668), (7490, 34344), (7560, 34026), (7632, 33705), (7704, 33390), (8560, 30051), (8586, 29960), (8667, 29680), (8904, 28890), (8988, 28620), (9072, 28355), (9540, 26964), (9630, 26712), (10017, 25680), (11130, 23112), (11235, 22896), (11340, 22684), (11342, 22680), (11448, 22470), (11556, 22260), (11984, 21465), (12720, 20223), (12840, 20034), (13356, 19260), (13482, 19080), (14310, 17976), (14445, 17808), (14840, 17334), (14980, 17172), (15120, 17013), (15408, 16695)]