31989120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{16661}}^1$

素因数の和:16683

約数の個数: 64

約数和(自身を含む): 101971440

約数和(自身を除く): 69982320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 16661, 33322, 49983, 66644, 83305, 99966, 133288, 166610, 199932, 249915, 266576, 333220, 399864, 499830, 533152, 666440, 799728, 999660, 1066304, 1332880, 1599456, 1999320, 2132608, 2665760, 3198912, 3998640, 5331520, 6397824, 7997280, 10663040, 15994560, 31989120]

約数ペア:

[(1, 31989120), (2, 15994560), (3, 10663040), (4, 7997280), (5, 6397824), (6, 5331520), (8, 3998640), (10, 3198912), (12, 2665760), (15, 2132608), (16, 1999320), (20, 1599456), (24, 1332880), (30, 1066304), (32, 999660), (40, 799728), (48, 666440), (60, 533152), (64, 499830), (80, 399864), (96, 333220), (120, 266576), (128, 249915), (160, 199932), (192, 166610), (240, 133288), (320, 99966), (384, 83305), (480, 66644), (640, 49983), (960, 33322), (1920, 16661)]