680345344

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 1650374656

約数和(自身を除く): 970029312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 112, 124, 128, 148, 217, 224, 248, 256, 259, 296, 331, 434, 448, 496, 518, 592, 662, 868, 896, 992, 1036, 1147, 1184, 1324, 1736, 1792, 1984, 2072, 2294, 2317, 2368, 2648, 3472, 3968, 4144, 4588, 4634, 4736, 5296, 6944, 7936, 8029, 8288, 9176, 9268, 9472, 10261, 10592, 12247, 13888, 16058, 16576, 18352, 18536, 20522, 21184, 24494, 27776, 32116, 33152, 36704, 37072, 41044, 42368, 48988, 55552, 64232, 66304, 71827, 73408, 74144, 82088, 84736, 85729, 97976, 128464, 143654, 146816, 148288, 164176, 171458, 195952, 256928, 287308, 293632, 296576, 328352, 342916, 379657, 391904, 513856, 574616, 593152, 656704, 685832, 759314, 783808, 1027712, 1149232, 1313408, 1371664, 1518628, 1567616, 2055424, 2298464, 2626816, 2657599, 2743328, 3037256, 3135232, 4596928, 5315198, 5486656, 6074512, 9193856, 10630396, 10973312, 12149024, 18387712, 21260792, 21946624, 24298048, 42521584, 48596096, 85043168, 97192192, 170086336, 340172672, 680345344]

約数ペア:

[(1, 680345344), (2, 340172672), (4, 170086336), (7, 97192192), (8, 85043168), (14, 48596096), (16, 42521584), (28, 24298048), (31, 21946624), (32, 21260792), (37, 18387712), (56, 12149024), (62, 10973312), (64, 10630396), (74, 9193856), (112, 6074512), (124, 5486656), (128, 5315198), (148, 4596928), (217, 3135232), (224, 3037256), (248, 2743328), (256, 2657599), (259, 2626816), (296, 2298464), (331, 2055424), (434, 1567616), (448, 1518628), (496, 1371664), (518, 1313408), (592, 1149232), (662, 1027712), (868, 783808), (896, 759314), (992, 685832), (1036, 656704), (1147, 593152), (1184, 574616), (1324, 513856), (1736, 391904), (1792, 379657), (1984, 342916), (2072, 328352), (2294, 296576), (2317, 293632), (2368, 287308), (2648, 256928), (3472, 195952), (3968, 171458), (4144, 164176), (4588, 148288), (4634, 146816), (4736, 143654), (5296, 128464), (6944, 97976), (7936, 85729), (8029, 84736), (8288, 82088), (9176, 74144), (9268, 73408), (9472, 71827), (10261, 66304), (10592, 64232), (12247, 55552), (13888, 48988), (16058, 42368), (16576, 41044), (18352, 37072), (18536, 36704), (20522, 33152), (21184, 32116), (24494, 27776)]