247667520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{257987}}^1$

素因数の和:258007

約数の個数: 56

約数和(自身を含む): 786347424

約数和(自身を除く): 538679904

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, 160, 192, 240, 320, 480, 960, 257987, 515974, 773961, 1031948, 1289935, 1547922, 2063896, 2579870, 3095844, 3869805, 4127792, 5159740, 6191688, 7739610, 8255584, 10319480, 12383376, 15479220, 16511168, 20638960, 24766752, 30958440, 41277920, 49533504, 61916880, 82555840, 123833760, 247667520]

約数ペア:

[(1, 247667520), (2, 123833760), (3, 82555840), (4, 61916880), (5, 49533504), (6, 41277920), (8, 30958440), (10, 24766752), (12, 20638960), (15, 16511168), (16, 15479220), (20, 12383376), (24, 10319480), (30, 8255584), (32, 7739610), (40, 6191688), (48, 5159740), (60, 4127792), (64, 3869805), (80, 3095844), (96, 2579870), (120, 2063896), (160, 1547922), (192, 1289935), (240, 1031948), (320, 773961), (480, 515974), (960, 257987)]