1280439168

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{90121}}^1$

素因数の和:90175

約数の個数: 64

約数和(自身を含む): 3493128720

約数和(自身を除く): 2212689552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1776, 2368, 3552, 4736, 7104, 14208, 90121, 180242, 270363, 360484, 540726, 720968, 1081452, 1441936, 2162904, 2883872, 3334477, 4325808, 5767744, 6668954, 8651616, 10003431, 11535488, 13337908, 17303232, 20006862, 26675816, 34606464, 40013724, 53351632, 80027448, 106703264, 160054896, 213406528, 320109792, 426813056, 640219584, 1280439168]

約数ペア:

[(1, 1280439168), (2, 640219584), (3, 426813056), (4, 320109792), (6, 213406528), (8, 160054896), (12, 106703264), (16, 80027448), (24, 53351632), (32, 40013724), (37, 34606464), (48, 26675816), (64, 20006862), (74, 17303232), (96, 13337908), (111, 11535488), (128, 10003431), (148, 8651616), (192, 6668954), (222, 5767744), (296, 4325808), (384, 3334477), (444, 2883872), (592, 2162904), (888, 1441936), (1184, 1081452), (1776, 720968), (2368, 540726), (3552, 360484), (4736, 270363), (7104, 180242), (14208, 90121)]