405269280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21649}}^1$

素因数の和:21683

約数の個数: 144

約数和(自身を含む): 1489433400

約数和(自身を除く): 1084164120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 21649, 43298, 64947, 86596, 108245, 129894, 173192, 194841, 216490, 259788, 281437, 324735, 346384, 389682, 432980, 519576, 562874, 649470, 692768, 779364, 844311, 865960, 974205, 1039152, 1125748, 1298940, 1407185, 1558728, 1688622, 1731920, 1948410, 2078304, 2251496, 2532933, 2597880, 2814370, 3117456, 3377244, 3463840, 3896820, 4221555, 4502992, 5065866, 5195760, 5628740, 6234912, 6754488, 7793640, 8443110, 9005984, 10131732, 10391520, 11257480, 12664665, 13508976, 15587280, 16886220, 20263464, 22514960, 25329330, 27017952, 31174560, 33772440, 40526928, 45029920, 50658660, 67544880, 81053856, 101317320, 135089760, 202634640, 405269280]

約数ペア:

[(1, 405269280), (2, 202634640), (3, 135089760), (4, 101317320), (5, 81053856), (6, 67544880), (8, 50658660), (9, 45029920), (10, 40526928), (12, 33772440), (13, 31174560), (15, 27017952), (16, 25329330), (18, 22514960), (20, 20263464), (24, 16886220), (26, 15587280), (30, 13508976), (32, 12664665), (36, 11257480), (39, 10391520), (40, 10131732), (45, 9005984), (48, 8443110), (52, 7793640), (60, 6754488), (65, 6234912), (72, 5628740), (78, 5195760), (80, 5065866), (90, 4502992), (96, 4221555), (104, 3896820), (117, 3463840), (120, 3377244), (130, 3117456), (144, 2814370), (156, 2597880), (160, 2532933), (180, 2251496), (195, 2078304), (208, 1948410), (234, 1731920), (240, 1688622), (260, 1558728), (288, 1407185), (312, 1298940), (360, 1125748), (390, 1039152), (416, 974205), (468, 865960), (480, 844311), (520, 779364), (585, 692768), (624, 649470), (720, 562874), (780, 519576), (936, 432980), (1040, 389682), (1170, 346384), (1248, 324735), (1440, 281437), (1560, 259788), (1872, 216490), (2080, 194841), (2340, 173192), (3120, 129894), (3744, 108245), (4680, 86596), (6240, 64947), (9360, 43298), (18720, 21649)]