256848384

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:730

約数の個数: 160

約数和(自身を含む): 776825280

約数和(自身を除く): 519976896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 208, 228, 247, 256, 304, 312, 384, 416, 456, 494, 512, 608, 624, 677, 741, 768, 832, 912, 988, 1216, 1248, 1354, 1482, 1536, 1664, 1824, 1976, 2031, 2432, 2496, 2708, 2964, 3328, 3648, 3952, 4062, 4864, 4992, 5416, 5928, 6656, 7296, 7904, 8124, 8801, 9728, 9984, 10832, 11856, 12863, 14592, 15808, 16248, 17602, 19968, 21664, 23712, 25726, 26403, 29184, 31616, 32496, 35204, 38589, 43328, 47424, 51452, 52806, 63232, 64992, 70408, 77178, 86656, 94848, 102904, 105612, 126464, 129984, 140816, 154356, 167219, 173312, 189696, 205808, 211224, 259968, 281632, 308712, 334438, 346624, 379392, 411616, 422448, 501657, 519936, 563264, 617424, 668876, 823232, 844896, 1003314, 1039872, 1126528, 1234848, 1337752, 1646464, 1689792, 2006628, 2253056, 2469696, 2675504, 3292928, 3379584, 4013256, 4506112, 4939392, 5351008, 6585856, 6759168, 8026512, 9878784, 10702016, 13518336, 16053024, 19757568, 21404032, 32106048, 42808064, 64212096, 85616128, 128424192, 256848384]

約数ペア:

[(1, 256848384), (2, 128424192), (3, 85616128), (4, 64212096), (6, 42808064), (8, 32106048), (12, 21404032), (13, 19757568), (16, 16053024), (19, 13518336), (24, 10702016), (26, 9878784), (32, 8026512), (38, 6759168), (39, 6585856), (48, 5351008), (52, 4939392), (57, 4506112), (64, 4013256), (76, 3379584), (78, 3292928), (96, 2675504), (104, 2469696), (114, 2253056), (128, 2006628), (152, 1689792), (156, 1646464), (192, 1337752), (208, 1234848), (228, 1126528), (247, 1039872), (256, 1003314), (304, 844896), (312, 823232), (384, 668876), (416, 617424), (456, 563264), (494, 519936), (512, 501657), (608, 422448), (624, 411616), (677, 379392), (741, 346624), (768, 334438), (832, 308712), (912, 281632), (988, 259968), (1216, 211224), (1248, 205808), (1354, 189696), (1482, 173312), (1536, 167219), (1664, 154356), (1824, 140816), (1976, 129984), (2031, 126464), (2432, 105612), (2496, 102904), (2708, 94848), (2964, 86656), (3328, 77178), (3648, 70408), (3952, 64992), (4062, 63232), (4864, 52806), (4992, 51452), (5416, 47424), (5928, 43328), (6656, 38589), (7296, 35204), (7904, 32496), (8124, 31616), (8801, 29184), (9728, 26403), (9984, 25726), (10832, 23712), (11856, 21664), (12863, 19968), (14592, 17602), (15808, 16248)]