255151260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 288

約数和(自身を含む): 980633472

約数和(自身を除く): 725482212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 105, 111, 117, 126, 130, 140, 148, 156, 180, 182, 185, 195, 210, 222, 234, 252, 259, 260, 273, 315, 333, 364, 370, 390, 420, 421, 444, 455, 468, 481, 518, 546, 555, 585, 630, 666, 740, 777, 780, 819, 842, 910, 962, 1036, 1092, 1110, 1170, 1260, 1263, 1295, 1332, 1365, 1443, 1554, 1638, 1665, 1684, 1820, 1924, 2105, 2220, 2331, 2340, 2405, 2526, 2590, 2730, 2886, 2947, 3108, 3276, 3330, 3367, 3789, 3885, 4095, 4210, 4329, 4662, 4810, 5052, 5180, 5460, 5473, 5772, 5894, 6315, 6660, 6734, 7215, 7578, 7770, 8190, 8420, 8658, 8841, 9324, 9620, 10101, 10946, 11655, 11788, 12630, 13468, 14430, 14735, 15156, 15540, 15577, 16380, 16419, 16835, 17316, 17682, 18945, 20202, 21645, 21892, 23310, 25260, 26523, 27365, 28860, 29470, 30303, 31154, 32838, 33670, 35364, 37890, 38311, 40404, 43290, 44205, 46620, 46731, 49257, 50505, 53046, 54730, 58940, 60606, 62308, 65676, 67340, 75780, 76622, 77885, 82095, 86580, 88410, 93462, 98514, 101010, 106092, 109039, 109460, 114933, 121212, 132615, 140193, 151515, 153244, 155770, 164190, 176820, 186924, 191555, 197028, 202020, 202501, 218078, 229866, 233655, 246285, 265230, 280386, 303030, 311540, 327117, 328380, 344799, 383110, 405002, 436156, 459732, 467310, 492570, 530460, 545195, 560772, 574665, 606060, 607503, 654234, 689598, 700965, 766220, 810004, 934620, 981351, 985140, 1012505, 1090390, 1149330, 1215006, 1308468, 1379196, 1401930, 1417507, 1635585, 1723995, 1822509, 1962702, 2025010, 2180780, 2298660, 2430012, 2803860, 2835014, 3037515, 3271170, 3447990, 3645018, 3925404, 4050020, 4252521, 4906755, 5670028, 6075030, 6542340, 6895980, 7087535, 7290036, 8505042, 9112545, 9813510, 12150060, 12757563, 14175070, 17010084, 18225090, 19627020, 21262605, 25515126, 28350140, 36450180, 42525210, 51030252, 63787815, 85050420, 127575630, 255151260]

約数ペア:

[(1, 255151260), (2, 127575630), (3, 85050420), (4, 63787815), (5, 51030252), (6, 42525210), (7, 36450180), (9, 28350140), (10, 25515126), (12, 21262605), (13, 19627020), (14, 18225090), (15, 17010084), (18, 14175070), (20, 12757563), (21, 12150060), (26, 9813510), (28, 9112545), (30, 8505042), (35, 7290036), (36, 7087535), (37, 6895980), (39, 6542340), (42, 6075030), (45, 5670028), (52, 4906755), (60, 4252521), (63, 4050020), (65, 3925404), (70, 3645018), (74, 3447990), (78, 3271170), (84, 3037515), (90, 2835014), (91, 2803860), (105, 2430012), (111, 2298660), (117, 2180780), (126, 2025010), (130, 1962702), (140, 1822509), (148, 1723995), (156, 1635585), (180, 1417507), (182, 1401930), (185, 1379196), (195, 1308468), (210, 1215006), (222, 1149330), (234, 1090390), (252, 1012505), (259, 985140), (260, 981351), (273, 934620), (315, 810004), (333, 766220), (364, 700965), (370, 689598), (390, 654234), (420, 607503), (421, 606060), (444, 574665), (455, 560772), (468, 545195), (481, 530460), (518, 492570), (546, 467310), (555, 459732), (585, 436156), (630, 405002), (666, 383110), (740, 344799), (777, 328380), (780, 327117), (819, 311540), (842, 303030), (910, 280386), (962, 265230), (1036, 246285), (1092, 233655), (1110, 229866), (1170, 218078), (1260, 202501), (1263, 202020), (1295, 197028), (1332, 191555), (1365, 186924), (1443, 176820), (1554, 164190), (1638, 155770), (1665, 153244), (1684, 151515), (1820, 140193), (1924, 132615), (2105, 121212), (2220, 114933), (2331, 109460), (2340, 109039), (2405, 106092), (2526, 101010), (2590, 98514), (2730, 93462), (2886, 88410), (2947, 86580), (3108, 82095), (3276, 77885), (3330, 76622), (3367, 75780), (3789, 67340), (3885, 65676), (4095, 62308), (4210, 60606), (4329, 58940), (4662, 54730), (4810, 53046), (5052, 50505), (5180, 49257), (5460, 46731), (5473, 46620), (5772, 44205), (5894, 43290), (6315, 40404), (6660, 38311), (6734, 37890), (7215, 35364), (7578, 33670), (7770, 32838), (8190, 31154), (8420, 30303), (8658, 29470), (8841, 28860), (9324, 27365), (9620, 26523), (10101, 25260), (10946, 23310), (11655, 21892), (11788, 21645), (12630, 20202), (13468, 18945), (14430, 17682), (14735, 17316), (15156, 16835), (15540, 16419), (15577, 16380)]