123515280

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 300

約数和(自身を含む): 500308380

約数和(自身を除く): 376793100

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, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 389, 392, 405, 420, 432, 441, 490, 504, 540, 560, 567, 588, 630, 648, 720, 735, 756, 778, 784, 810, 840, 882, 945, 980, 1008, 1080, 1134, 1167, 1176, 1260, 1296, 1323, 1470, 1512, 1556, 1620, 1680, 1764, 1890, 1945, 1960, 2160, 2205, 2268, 2334, 2352, 2520, 2646, 2723, 2835, 2940, 3024, 3112, 3240, 3501, 3528, 3780, 3890, 3920, 3969, 4410, 4536, 4668, 5040, 5292, 5446, 5670, 5835, 5880, 6224, 6480, 6615, 7002, 7056, 7560, 7780, 7938, 8169, 8820, 9072, 9336, 10503, 10584, 10892, 11340, 11670, 11760, 13230, 13615, 14004, 15120, 15560, 15876, 16338, 17505, 17640, 18672, 19061, 19845, 21006, 21168, 21784, 22680, 23340, 24507, 26460, 27230, 28008, 31120, 31509, 31752, 32676, 35010, 35280, 38122, 39690, 40845, 42012, 43568, 45360, 46680, 49014, 52515, 52920, 54460, 56016, 57183, 63018, 63504, 65352, 70020, 73521, 76244, 79380, 81690, 84024, 93360, 95305, 98028, 105030, 105840, 108920, 114366, 122535, 126036, 130704, 140040, 147042, 152488, 157545, 158760, 163380, 168048, 171549, 190610, 196056, 210060, 217840, 220563, 228732, 245070, 252072, 280080, 285915, 294084, 304976, 315090, 317520, 326760, 343098, 367605, 381220, 392112, 420120, 441126, 457464, 490140, 504144, 514647, 571830, 588168, 630180, 653520, 686196, 735210, 762440, 840240, 857745, 882252, 914928, 980280, 1029294, 1102815, 1143660, 1176336, 1260360, 1372392, 1470420, 1524880, 1543941, 1715490, 1764504, 1960560, 2058588, 2205630, 2287320, 2520720, 2573235, 2744784, 2940840, 3087882, 3430980, 3529008, 4117176, 4411260, 4574640, 5146470, 5881680, 6175764, 6861960, 7719705, 8234352, 8822520, 10292940, 12351528, 13723920, 15439410, 17645040, 20585880, 24703056, 30878820, 41171760, 61757640, 123515280]

約数ペア:

[(1, 123515280), (2, 61757640), (3, 41171760), (4, 30878820), (5, 24703056), (6, 20585880), (7, 17645040), (8, 15439410), (9, 13723920), (10, 12351528), (12, 10292940), (14, 8822520), (15, 8234352), (16, 7719705), (18, 6861960), (20, 6175764), (21, 5881680), (24, 5146470), (27, 4574640), (28, 4411260), (30, 4117176), (35, 3529008), (36, 3430980), (40, 3087882), (42, 2940840), (45, 2744784), (48, 2573235), (49, 2520720), (54, 2287320), (56, 2205630), (60, 2058588), (63, 1960560), (70, 1764504), (72, 1715490), (80, 1543941), (81, 1524880), (84, 1470420), (90, 1372392), (98, 1260360), (105, 1176336), (108, 1143660), (112, 1102815), (120, 1029294), (126, 980280), (135, 914928), (140, 882252), (144, 857745), (147, 840240), (162, 762440), (168, 735210), (180, 686196), (189, 653520), (196, 630180), (210, 588168), (216, 571830), (240, 514647), (245, 504144), (252, 490140), (270, 457464), (280, 441126), (294, 420120), (315, 392112), (324, 381220), (336, 367605), (360, 343098), (378, 326760), (389, 317520), (392, 315090), (405, 304976), (420, 294084), (432, 285915), (441, 280080), (490, 252072), (504, 245070), (540, 228732), (560, 220563), (567, 217840), (588, 210060), (630, 196056), (648, 190610), (720, 171549), (735, 168048), (756, 163380), (778, 158760), (784, 157545), (810, 152488), (840, 147042), (882, 140040), (945, 130704), (980, 126036), (1008, 122535), (1080, 114366), (1134, 108920), (1167, 105840), (1176, 105030), (1260, 98028), (1296, 95305), (1323, 93360), (1470, 84024), (1512, 81690), (1556, 79380), (1620, 76244), (1680, 73521), (1764, 70020), (1890, 65352), (1945, 63504), (1960, 63018), (2160, 57183), (2205, 56016), (2268, 54460), (2334, 52920), (2352, 52515), (2520, 49014), (2646, 46680), (2723, 45360), (2835, 43568), (2940, 42012), (3024, 40845), (3112, 39690), (3240, 38122), (3501, 35280), (3528, 35010), (3780, 32676), (3890, 31752), (3920, 31509), (3969, 31120), (4410, 28008), (4536, 27230), (4668, 26460), (5040, 24507), (5292, 23340), (5446, 22680), (5670, 21784), (5835, 21168), (5880, 21006), (6224, 19845), (6480, 19061), (6615, 18672), (7002, 17640), (7056, 17505), (7560, 16338), (7780, 15876), (7938, 15560), (8169, 15120), (8820, 14004), (9072, 13615), (9336, 13230), (10503, 11760), (10584, 11670), (10892, 11340)]