121018520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5471}}^1$

素因数の和:5568

約数の個数: 64

約数和(自身を含む): 315187200

約数和(自身を除く): 194168680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5471, 5530, 10942, 11060, 21884, 22120, 27355, 38297, 43768, 54710, 76594, 109420, 153188, 191485, 218840, 306376, 382970, 432209, 765940, 864418, 1531880, 1728836, 2161045, 3025463, 3457672, 4322090, 6050926, 8644180, 12101852, 15127315, 17288360, 24203704, 30254630, 60509260, 121018520]

約数ペア:

[(1, 121018520), (2, 60509260), (4, 30254630), (5, 24203704), (7, 17288360), (8, 15127315), (10, 12101852), (14, 8644180), (20, 6050926), (28, 4322090), (35, 3457672), (40, 3025463), (56, 2161045), (70, 1728836), (79, 1531880), (140, 864418), (158, 765940), (280, 432209), (316, 382970), (395, 306376), (553, 218840), (632, 191485), (790, 153188), (1106, 109420), (1580, 76594), (2212, 54710), (2765, 43768), (3160, 38297), (4424, 27355), (5471, 22120), (5530, 21884), (10942, 11060)]