15681536

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 96

約数和(自身を含む): 36691200

約数和(自身を除く): 21009664

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 128, 152, 208, 247, 248, 256, 304, 403, 416, 494, 496, 512, 589, 608, 806, 832, 988, 992, 1024, 1178, 1216, 1612, 1664, 1976, 1984, 2048, 2356, 2432, 3224, 3328, 3952, 3968, 4712, 4864, 6448, 6656, 7657, 7904, 7936, 9424, 9728, 12896, 13312, 15314, 15808, 15872, 18848, 19456, 25792, 26624, 30628, 31616, 31744, 37696, 38912, 51584, 61256, 63232, 63488, 75392, 103168, 122512, 126464, 150784, 206336, 245024, 252928, 301568, 412672, 490048, 505856, 603136, 825344, 980096, 1206272, 1960192, 3920384, 7840768, 15681536]

約数ペア:

[(1, 15681536), (2, 7840768), (4, 3920384), (8, 1960192), (13, 1206272), (16, 980096), (19, 825344), (26, 603136), (31, 505856), (32, 490048), (38, 412672), (52, 301568), (62, 252928), (64, 245024), (76, 206336), (104, 150784), (124, 126464), (128, 122512), (152, 103168), (208, 75392), (247, 63488), (248, 63232), (256, 61256), (304, 51584), (403, 38912), (416, 37696), (494, 31744), (496, 31616), (512, 30628), (589, 26624), (608, 25792), (806, 19456), (832, 18848), (988, 15872), (992, 15808), (1024, 15314), (1178, 13312), (1216, 12896), (1612, 9728), (1664, 9424), (1976, 7936), (1984, 7904), (2048, 7657), (2356, 6656), (2432, 6448), (3224, 4864), (3328, 4712), (3952, 3968)]