680277888

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 192

約数和(自身を含む): 2072378880

約数和(自身を除く): 1392100992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 62, 64, 72, 86, 93, 96, 124, 128, 129, 144, 172, 186, 192, 248, 258, 279, 288, 344, 372, 384, 387, 443, 496, 516, 558, 576, 688, 744, 774, 886, 992, 1032, 1116, 1152, 1329, 1333, 1376, 1488, 1548, 1772, 1984, 2064, 2232, 2658, 2666, 2752, 2976, 3096, 3544, 3968, 3987, 3999, 4128, 4464, 5316, 5332, 5504, 5952, 6192, 7088, 7974, 7998, 8256, 8928, 10632, 10664, 11904, 11997, 12384, 13733, 14176, 15948, 15996, 16512, 17856, 19049, 21264, 21328, 23994, 24768, 27466, 28352, 31896, 31992, 35712, 38098, 41199, 42528, 42656, 47988, 49536, 54932, 56704, 57147, 63792, 63984, 76196, 82398, 85056, 85312, 95976, 109864, 114294, 123597, 127584, 127968, 152392, 164796, 170112, 170624, 171441, 191952, 219728, 228588, 247194, 255168, 255936, 304784, 329592, 342882, 383904, 439456, 457176, 494388, 510336, 511872, 590519, 609568, 659184, 685764, 767808, 878912, 914352, 988776, 1181038, 1219136, 1318368, 1371528, 1535616, 1757824, 1771557, 1828704, 1977552, 2362076, 2438272, 2636736, 2743056, 3543114, 3657408, 3955104, 4724152, 5273472, 5314671, 5486112, 7086228, 7314816, 7910208, 9448304, 10629342, 10972224, 14172456, 15820416, 18896608, 21258684, 21944448, 28344912, 37793216, 42517368, 56689824, 75586432, 85034736, 113379648, 170069472, 226759296, 340138944, 680277888]

約数ペア:

[(1, 680277888), (2, 340138944), (3, 226759296), (4, 170069472), (6, 113379648), (8, 85034736), (9, 75586432), (12, 56689824), (16, 42517368), (18, 37793216), (24, 28344912), (31, 21944448), (32, 21258684), (36, 18896608), (43, 15820416), (48, 14172456), (62, 10972224), (64, 10629342), (72, 9448304), (86, 7910208), (93, 7314816), (96, 7086228), (124, 5486112), (128, 5314671), (129, 5273472), (144, 4724152), (172, 3955104), (186, 3657408), (192, 3543114), (248, 2743056), (258, 2636736), (279, 2438272), (288, 2362076), (344, 1977552), (372, 1828704), (384, 1771557), (387, 1757824), (443, 1535616), (496, 1371528), (516, 1318368), (558, 1219136), (576, 1181038), (688, 988776), (744, 914352), (774, 878912), (886, 767808), (992, 685764), (1032, 659184), (1116, 609568), (1152, 590519), (1329, 511872), (1333, 510336), (1376, 494388), (1488, 457176), (1548, 439456), (1772, 383904), (1984, 342882), (2064, 329592), (2232, 304784), (2658, 255936), (2666, 255168), (2752, 247194), (2976, 228588), (3096, 219728), (3544, 191952), (3968, 171441), (3987, 170624), (3999, 170112), (4128, 164796), (4464, 152392), (5316, 127968), (5332, 127584), (5504, 123597), (5952, 114294), (6192, 109864), (7088, 95976), (7974, 85312), (7998, 85056), (8256, 82398), (8928, 76196), (10632, 63984), (10664, 63792), (11904, 57147), (11997, 56704), (12384, 54932), (13733, 49536), (14176, 47988), (15948, 42656), (15996, 42528), (16512, 41199), (17856, 38098), (19049, 35712), (21264, 31992), (21328, 31896), (23994, 28352), (24768, 27466)]