180480512

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 379475712

約数和(自身を除く): 198995200

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 137, 166, 248, 256, 274, 332, 496, 512, 548, 664, 992, 1096, 1328, 1984, 2192, 2573, 2656, 3968, 4247, 4384, 5146, 5312, 7936, 8494, 8768, 10292, 10624, 11371, 15872, 16988, 17536, 20584, 21248, 22742, 33976, 35072, 41168, 42496, 45484, 67952, 70144, 82336, 90968, 135904, 164672, 181936, 271808, 329344, 352501, 363872, 543616, 658688, 705002, 727744, 1087232, 1317376, 1410004, 1455488, 2174464, 2820008, 2910976, 5640016, 5821952, 11280032, 22560064, 45120128, 90240256, 180480512]

約数ペア:

[(1, 180480512), (2, 90240256), (4, 45120128), (8, 22560064), (16, 11280032), (31, 5821952), (32, 5640016), (62, 2910976), (64, 2820008), (83, 2174464), (124, 1455488), (128, 1410004), (137, 1317376), (166, 1087232), (248, 727744), (256, 705002), (274, 658688), (332, 543616), (496, 363872), (512, 352501), (548, 329344), (664, 271808), (992, 181936), (1096, 164672), (1328, 135904), (1984, 90968), (2192, 82336), (2573, 70144), (2656, 67952), (3968, 45484), (4247, 42496), (4384, 41168), (5146, 35072), (5312, 33976), (7936, 22742), (8494, 21248), (8768, 20584), (10292, 17536), (10624, 16988), (11371, 15872)]