156135680

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 376357632

約数和(自身を除く): 220221952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 547, 640, 892, 1094, 1115, 1280, 1784, 2188, 2230, 2735, 3568, 4376, 4460, 5470, 7136, 8752, 8920, 10940, 14272, 17504, 17840, 21880, 28544, 35008, 35680, 43760, 57088, 70016, 71360, 87520, 121981, 140032, 142720, 175040, 243962, 285440, 350080, 487924, 609905, 700160, 975848, 1219810, 1951696, 2439620, 3903392, 4879240, 7806784, 9758480, 15613568, 19516960, 31227136, 39033920, 78067840, 156135680]

約数ペア:

[(1, 156135680), (2, 78067840), (4, 39033920), (5, 31227136), (8, 19516960), (10, 15613568), (16, 9758480), (20, 7806784), (32, 4879240), (40, 3903392), (64, 2439620), (80, 1951696), (128, 1219810), (160, 975848), (223, 700160), (256, 609905), (320, 487924), (446, 350080), (547, 285440), (640, 243962), (892, 175040), (1094, 142720), (1115, 140032), (1280, 121981), (1784, 87520), (2188, 71360), (2230, 70016), (2735, 57088), (3568, 43760), (4376, 35680), (4460, 35008), (5470, 28544), (7136, 21880), (8752, 17840), (8920, 17504), (10940, 14272)]