15987230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 18572770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 79, 98, 118, 158, 245, 295, 343, 395, 413, 490, 553, 590, 686, 790, 826, 1106, 1715, 2065, 2765, 2891, 3430, 3871, 4130, 4661, 5530, 5782, 7742, 9322, 14455, 19355, 20237, 23305, 27097, 28910, 32627, 38710, 40474, 46610, 54194, 65254, 101185, 135485, 163135, 202370, 228389, 270970, 326270, 456778, 1141945, 1598723, 2283890, 3197446, 7993615, 15987230]

約数ペア:

[(1, 15987230), (2, 7993615), (5, 3197446), (7, 2283890), (10, 1598723), (14, 1141945), (35, 456778), (49, 326270), (59, 270970), (70, 228389), (79, 202370), (98, 163135), (118, 135485), (158, 101185), (245, 65254), (295, 54194), (343, 46610), (395, 40474), (413, 38710), (490, 32627), (553, 28910), (590, 27097), (686, 23305), (790, 20237), (826, 19355), (1106, 14455), (1715, 9322), (2065, 7742), (2765, 5782), (2891, 5530), (3430, 4661), (3871, 4130)]