1281846528

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 3872284416

約数和(自身を除く): 2590437888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 131, 137, 144, 186, 192, 248, 256, 262, 274, 279, 288, 372, 384, 393, 411, 496, 524, 548, 558, 576, 744, 768, 786, 822, 992, 1048, 1096, 1116, 1152, 1179, 1233, 1488, 1572, 1644, 1984, 2096, 2192, 2232, 2304, 2358, 2466, 2976, 3144, 3288, 3968, 4061, 4192, 4247, 4384, 4464, 4716, 4932, 5952, 6288, 6576, 7936, 8122, 8384, 8494, 8768, 8928, 9432, 9864, 11904, 12183, 12576, 12741, 13152, 16244, 16768, 16988, 17536, 17856, 17947, 18864, 19728, 23808, 24366, 25152, 25482, 26304, 32488, 33536, 33976, 35072, 35712, 35894, 36549, 37728, 38223, 39456, 48732, 50304, 50964, 52608, 53841, 64976, 67952, 71424, 71788, 73098, 75456, 76446, 78912, 97464, 100608, 101928, 105216, 107682, 129952, 135904, 143576, 146196, 150912, 152892, 157824, 161523, 194928, 203856, 215364, 259904, 271808, 287152, 292392, 301824, 305784, 315648, 323046, 389856, 407712, 430728, 519808, 543616, 556357, 574304, 584784, 611568, 646092, 779712, 815424, 861456, 1039616, 1087232, 1112714, 1148608, 1169568, 1223136, 1292184, 1559424, 1630848, 1669071, 1722912, 2225428, 2297216, 2339136, 2446272, 2584368, 3118848, 3261696, 3338142, 3445824, 4450856, 4594432, 4678272, 4892544, 5007213, 5168736, 6676284, 6891648, 8901712, 9356544, 9785088, 10014426, 10337472, 13352568, 13783296, 17803424, 20028852, 20674944, 26705136, 35606848, 40057704, 41349888, 53410272, 71213696, 80115408, 106820544, 142427392, 160230816, 213641088, 320461632, 427282176, 640923264, 1281846528]

約数ペア:

[(1, 1281846528), (2, 640923264), (3, 427282176), (4, 320461632), (6, 213641088), (8, 160230816), (9, 142427392), (12, 106820544), (16, 80115408), (18, 71213696), (24, 53410272), (31, 41349888), (32, 40057704), (36, 35606848), (48, 26705136), (62, 20674944), (64, 20028852), (72, 17803424), (93, 13783296), (96, 13352568), (124, 10337472), (128, 10014426), (131, 9785088), (137, 9356544), (144, 8901712), (186, 6891648), (192, 6676284), (248, 5168736), (256, 5007213), (262, 4892544), (274, 4678272), (279, 4594432), (288, 4450856), (372, 3445824), (384, 3338142), (393, 3261696), (411, 3118848), (496, 2584368), (524, 2446272), (548, 2339136), (558, 2297216), (576, 2225428), (744, 1722912), (768, 1669071), (786, 1630848), (822, 1559424), (992, 1292184), (1048, 1223136), (1096, 1169568), (1116, 1148608), (1152, 1112714), (1179, 1087232), (1233, 1039616), (1488, 861456), (1572, 815424), (1644, 779712), (1984, 646092), (2096, 611568), (2192, 584784), (2232, 574304), (2304, 556357), (2358, 543616), (2466, 519808), (2976, 430728), (3144, 407712), (3288, 389856), (3968, 323046), (4061, 315648), (4192, 305784), (4247, 301824), (4384, 292392), (4464, 287152), (4716, 271808), (4932, 259904), (5952, 215364), (6288, 203856), (6576, 194928), (7936, 161523), (8122, 157824), (8384, 152892), (8494, 150912), (8768, 146196), (8928, 143576), (9432, 135904), (9864, 129952), (11904, 107682), (12183, 105216), (12576, 101928), (12741, 100608), (13152, 97464), (16244, 78912), (16768, 76446), (16988, 75456), (17536, 73098), (17856, 71788), (17947, 71424), (18864, 67952), (19728, 64976), (23808, 53841), (24366, 52608), (25152, 50964), (25482, 50304), (26304, 48732), (32488, 39456), (33536, 38223), (33976, 37728), (35072, 36549), (35712, 35894)]