187354720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{409}}^2$

素因数の和:840

約数の個数: 72

約数和(自身を含む): 507097584

約数和(自身を除く): 319742864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 409, 560, 818, 1120, 1636, 2045, 2863, 3272, 4090, 5726, 6544, 8180, 11452, 13088, 14315, 16360, 22904, 28630, 32720, 45808, 57260, 65440, 91616, 114520, 167281, 229040, 334562, 458080, 669124, 836405, 1170967, 1338248, 1672810, 2341934, 2676496, 3345620, 4683868, 5352992, 5854835, 6691240, 9367736, 11709670, 13382480, 18735472, 23419340, 26764960, 37470944, 46838680, 93677360, 187354720]

約数ペア:

[(1, 187354720), (2, 93677360), (4, 46838680), (5, 37470944), (7, 26764960), (8, 23419340), (10, 18735472), (14, 13382480), (16, 11709670), (20, 9367736), (28, 6691240), (32, 5854835), (35, 5352992), (40, 4683868), (56, 3345620), (70, 2676496), (80, 2341934), (112, 1672810), (140, 1338248), (160, 1170967), (224, 836405), (280, 669124), (409, 458080), (560, 334562), (818, 229040), (1120, 167281), (1636, 114520), (2045, 91616), (2863, 65440), (3272, 57260), (4090, 45808), (5726, 32720), (6544, 28630), (8180, 22904), (11452, 16360), (13088, 14315)]