72268840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1297}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 186912000

約数和(自身を除く): 114643160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1297, 1393, 1592, 1990, 2594, 2786, 3980, 5188, 5572, 6485, 6965, 7960, 9079, 10376, 11144, 12970, 13930, 18158, 25940, 27860, 36316, 45395, 51880, 55720, 72632, 90790, 181580, 258103, 363160, 516206, 1032412, 1290515, 1806721, 2064824, 2581030, 3613442, 5162060, 7226884, 9033605, 10324120, 14453768, 18067210, 36134420, 72268840]

約数ペア:

[(1, 72268840), (2, 36134420), (4, 18067210), (5, 14453768), (7, 10324120), (8, 9033605), (10, 7226884), (14, 5162060), (20, 3613442), (28, 2581030), (35, 2064824), (40, 1806721), (56, 1290515), (70, 1032412), (140, 516206), (199, 363160), (280, 258103), (398, 181580), (796, 90790), (995, 72632), (1297, 55720), (1393, 51880), (1592, 45395), (1990, 36316), (2594, 27860), (2786, 25940), (3980, 18158), (5188, 13930), (5572, 12970), (6485, 11144), (6965, 10376), (7960, 9079)]