78067840

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 187810560

約数和(自身を除く): 109742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 547, 640, 892, 1094, 1115, 1784, 2188, 2230, 2735, 3568, 4376, 4460, 5470, 7136, 8752, 8920, 10940, 14272, 17504, 17840, 21880, 28544, 35008, 35680, 43760, 70016, 71360, 87520, 121981, 142720, 175040, 243962, 350080, 487924, 609905, 975848, 1219810, 1951696, 2439620, 3903392, 4879240, 7806784, 9758480, 15613568, 19516960, 39033920, 78067840]

約数ペア:

[(1, 78067840), (2, 39033920), (4, 19516960), (5, 15613568), (8, 9758480), (10, 7806784), (16, 4879240), (20, 3903392), (32, 2439620), (40, 1951696), (64, 1219810), (80, 975848), (128, 609905), (160, 487924), (223, 350080), (320, 243962), (446, 175040), (547, 142720), (640, 121981), (892, 87520), (1094, 71360), (1115, 70016), (1784, 43760), (2188, 35680), (2230, 35008), (2735, 28544), (3568, 21880), (4376, 17840), (4460, 17504), (5470, 14272), (7136, 10940), (8752, 8920)]