161053184

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 339144960

約数和(自身を除く): 178091776

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 139, 146, 248, 256, 278, 292, 496, 512, 556, 584, 992, 1112, 1168, 1984, 2224, 2263, 2336, 3968, 4309, 4448, 4526, 4672, 7936, 8618, 8896, 9052, 9344, 10147, 15872, 17236, 17792, 18104, 18688, 20294, 34472, 35584, 36208, 37376, 40588, 68944, 71168, 72416, 81176, 137888, 144832, 162352, 275776, 289664, 314557, 324704, 551552, 579328, 629114, 649408, 1103104, 1158656, 1258228, 1298816, 2206208, 2516456, 2597632, 5032912, 5195264, 10065824, 20131648, 40263296, 80526592, 161053184]

約数ペア:

[(1, 161053184), (2, 80526592), (4, 40263296), (8, 20131648), (16, 10065824), (31, 5195264), (32, 5032912), (62, 2597632), (64, 2516456), (73, 2206208), (124, 1298816), (128, 1258228), (139, 1158656), (146, 1103104), (248, 649408), (256, 629114), (278, 579328), (292, 551552), (496, 324704), (512, 314557), (556, 289664), (584, 275776), (992, 162352), (1112, 144832), (1168, 137888), (1984, 81176), (2224, 72416), (2263, 71168), (2336, 68944), (3968, 40588), (4309, 37376), (4448, 36208), (4526, 35584), (4672, 34472), (7936, 20294), (8618, 18688), (8896, 18104), (9052, 17792), (9344, 17236), (10147, 15872)]