31440768

素因数分解:

$2^7\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2055

約数の個数: 64

約数和(自身を含む): 85594320

約数和(自身を除く): 54153552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 328, 384, 492, 656, 984, 1312, 1968, 1997, 2624, 3936, 3994, 5248, 5991, 7872, 7988, 11982, 15744, 15976, 23964, 31952, 47928, 63904, 81877, 95856, 127808, 163754, 191712, 245631, 255616, 327508, 383424, 491262, 655016, 766848, 982524, 1310032, 1965048, 2620064, 3930096, 5240128, 7860192, 10480256, 15720384, 31440768]

約数ペア:

[(1, 31440768), (2, 15720384), (3, 10480256), (4, 7860192), (6, 5240128), (8, 3930096), (12, 2620064), (16, 1965048), (24, 1310032), (32, 982524), (41, 766848), (48, 655016), (64, 491262), (82, 383424), (96, 327508), (123, 255616), (128, 245631), (164, 191712), (192, 163754), (246, 127808), (328, 95856), (384, 81877), (492, 63904), (656, 47928), (984, 31952), (1312, 23964), (1968, 15976), (1997, 15744), (2624, 11982), (3936, 7988), (3994, 7872), (5248, 5991)]