1268931840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 216

約数和(自身を含む): 4456197984

約数和(自身を除く): 3187266144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 768, 880, 960, 968, 1056, 1210, 1280, 1320, 1408, 1452, 1760, 1815, 1920, 1936, 2112, 2420, 2640, 2731, 2816, 2904, 3520, 3630, 3840, 3872, 4224, 4840, 5280, 5462, 5808, 7040, 7260, 7744, 8193, 8448, 9680, 10560, 10924, 11616, 13655, 14080, 14520, 15488, 16386, 19360, 21120, 21848, 23232, 27310, 29040, 30041, 30976, 32772, 38720, 40965, 42240, 43696, 46464, 54620, 58080, 60082, 65544, 77440, 81930, 87392, 90123, 92928, 109240, 116160, 120164, 131088, 150205, 154880, 163860, 174784, 180246, 218480, 232320, 240328, 262176, 300410, 327720, 330451, 349568, 360492, 436960, 450615, 464640, 480656, 524352, 600820, 655440, 660902, 699136, 720984, 873920, 901230, 961312, 991353, 1048704, 1201640, 1310880, 1321804, 1441968, 1652255, 1747840, 1802460, 1922624, 1982706, 2097408, 2403280, 2621760, 2643608, 2883936, 3304510, 3495680, 3604920, 3845248, 3965412, 4806560, 4956765, 5243520, 5287216, 5767872, 6609020, 7209840, 7690496, 7930824, 9613120, 9913530, 10487040, 10574432, 11535744, 13218040, 14419680, 15861648, 19226240, 19827060, 21148864, 23071488, 26436080, 28839360, 31723296, 38452480, 39654120, 42297728, 52872160, 57678720, 63446592, 79308240, 84595456, 105744320, 115357440, 126893184, 158616480, 211488640, 253786368, 317232960, 422977280, 634465920, 1268931840]

約数ペア:

[(1, 1268931840), (2, 634465920), (3, 422977280), (4, 317232960), (5, 253786368), (6, 211488640), (8, 158616480), (10, 126893184), (11, 115357440), (12, 105744320), (15, 84595456), (16, 79308240), (20, 63446592), (22, 57678720), (24, 52872160), (30, 42297728), (32, 39654120), (33, 38452480), (40, 31723296), (44, 28839360), (48, 26436080), (55, 23071488), (60, 21148864), (64, 19827060), (66, 19226240), (80, 15861648), (88, 14419680), (96, 13218040), (110, 11535744), (120, 10574432), (121, 10487040), (128, 9913530), (132, 9613120), (160, 7930824), (165, 7690496), (176, 7209840), (192, 6609020), (220, 5767872), (240, 5287216), (242, 5243520), (256, 4956765), (264, 4806560), (320, 3965412), (330, 3845248), (352, 3604920), (363, 3495680), (384, 3304510), (440, 2883936), (480, 2643608), (484, 2621760), (528, 2403280), (605, 2097408), (640, 1982706), (660, 1922624), (704, 1802460), (726, 1747840), (768, 1652255), (880, 1441968), (960, 1321804), (968, 1310880), (1056, 1201640), (1210, 1048704), (1280, 991353), (1320, 961312), (1408, 901230), (1452, 873920), (1760, 720984), (1815, 699136), (1920, 660902), (1936, 655440), (2112, 600820), (2420, 524352), (2640, 480656), (2731, 464640), (2816, 450615), (2904, 436960), (3520, 360492), (3630, 349568), (3840, 330451), (3872, 327720), (4224, 300410), (4840, 262176), (5280, 240328), (5462, 232320), (5808, 218480), (7040, 180246), (7260, 174784), (7744, 163860), (8193, 154880), (8448, 150205), (9680, 131088), (10560, 120164), (10924, 116160), (11616, 109240), (13655, 92928), (14080, 90123), (14520, 87392), (15488, 81930), (16386, 77440), (19360, 65544), (21120, 60082), (21848, 58080), (23232, 54620), (27310, 46464), (29040, 43696), (30041, 42240), (30976, 40965), (32772, 38720)]