1220943780

素因数分解:

$2^2\times 3^6\times 5^1\times 7^2\times {\mathrm{1709}}^1$

素因数の和:1750

約数の個数: 252

約数和(自身を含む): 4474457820

約数和(自身を除く): 3253514040

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 729, 735, 756, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1458, 1470, 1620, 1701, 1709, 1764, 1890, 2205, 2268, 2430, 2646, 2835, 2916, 2940, 3402, 3418, 3645, 3780, 3969, 4410, 4860, 5103, 5127, 5292, 5670, 6615, 6804, 6836, 7290, 7938, 8505, 8545, 8820, 10206, 10254, 11340, 11907, 11963, 13230, 14580, 15381, 15876, 17010, 17090, 19845, 20412, 20508, 23814, 23926, 25515, 25635, 26460, 30762, 34020, 34180, 35721, 35889, 39690, 46143, 47628, 47852, 51030, 51270, 59535, 59815, 61524, 71442, 71778, 76905, 79380, 83741, 92286, 102060, 102540, 107667, 119070, 119630, 138429, 142884, 143556, 153810, 167482, 178605, 179445, 184572, 215334, 230715, 238140, 239260, 251223, 276858, 307620, 323001, 334964, 357210, 358890, 415287, 418705, 430668, 461430, 502446, 538335, 553716, 646002, 692145, 714420, 717780, 753669, 830574, 837410, 922860, 969003, 1004892, 1076670, 1245861, 1256115, 1292004, 1384290, 1507338, 1615005, 1661148, 1674820, 1938006, 2076435, 2153340, 2261007, 2491722, 2512230, 2768580, 2907009, 3014676, 3230010, 3768345, 3876012, 4152870, 4522014, 4845015, 4983444, 5024460, 5814018, 6229305, 6460020, 6783021, 7536690, 8305740, 8721027, 9044028, 9690030, 11305035, 11628036, 12458610, 13566042, 14535045, 15073380, 17442054, 19380060, 20349063, 22610070, 24917220, 27132084, 29070090, 33915105, 34884108, 40698126, 43605135, 45220140, 58140180, 61047189, 67830210, 81396252, 87210270, 101745315, 122094378, 135660420, 174420540, 203490630, 244188756, 305235945, 406981260, 610471890, 1220943780]

約数ペア:

[(1, 1220943780), (2, 610471890), (3, 406981260), (4, 305235945), (5, 244188756), (6, 203490630), (7, 174420540), (9, 135660420), (10, 122094378), (12, 101745315), (14, 87210270), (15, 81396252), (18, 67830210), (20, 61047189), (21, 58140180), (27, 45220140), (28, 43605135), (30, 40698126), (35, 34884108), (36, 33915105), (42, 29070090), (45, 27132084), (49, 24917220), (54, 22610070), (60, 20349063), (63, 19380060), (70, 17442054), (81, 15073380), (84, 14535045), (90, 13566042), (98, 12458610), (105, 11628036), (108, 11305035), (126, 9690030), (135, 9044028), (140, 8721027), (147, 8305740), (162, 7536690), (180, 6783021), (189, 6460020), (196, 6229305), (210, 5814018), (243, 5024460), (245, 4983444), (252, 4845015), (270, 4522014), (294, 4152870), (315, 3876012), (324, 3768345), (378, 3230010), (405, 3014676), (420, 2907009), (441, 2768580), (486, 2512230), (490, 2491722), (540, 2261007), (567, 2153340), (588, 2076435), (630, 1938006), (729, 1674820), (735, 1661148), (756, 1615005), (810, 1507338), (882, 1384290), (945, 1292004), (972, 1256115), (980, 1245861), (1134, 1076670), (1215, 1004892), (1260, 969003), (1323, 922860), (1458, 837410), (1470, 830574), (1620, 753669), (1701, 717780), (1709, 714420), (1764, 692145), (1890, 646002), (2205, 553716), (2268, 538335), (2430, 502446), (2646, 461430), (2835, 430668), (2916, 418705), (2940, 415287), (3402, 358890), (3418, 357210), (3645, 334964), (3780, 323001), (3969, 307620), (4410, 276858), (4860, 251223), (5103, 239260), (5127, 238140), (5292, 230715), (5670, 215334), (6615, 184572), (6804, 179445), (6836, 178605), (7290, 167482), (7938, 153810), (8505, 143556), (8545, 142884), (8820, 138429), (10206, 119630), (10254, 119070), (11340, 107667), (11907, 102540), (11963, 102060), (13230, 92286), (14580, 83741), (15381, 79380), (15876, 76905), (17010, 71778), (17090, 71442), (19845, 61524), (20412, 59815), (20508, 59535), (23814, 51270), (23926, 51030), (25515, 47852), (25635, 47628), (26460, 46143), (30762, 39690), (34020, 35889), (34180, 35721)]