71992720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 103496048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 467, 470, 656, 752, 820, 934, 940, 1640, 1868, 1880, 1927, 2335, 3280, 3736, 3760, 3854, 4670, 7472, 7708, 9340, 9635, 15416, 18680, 19147, 19270, 21949, 30832, 37360, 38294, 38540, 43898, 76588, 77080, 87796, 95735, 109745, 153176, 154160, 175592, 191470, 219490, 306352, 351184, 382940, 438980, 765880, 877960, 899909, 1531760, 1755920, 1799818, 3599636, 4499545, 7199272, 8999090, 14398544, 17998180, 35996360, 71992720]

約数ペア:

[(1, 71992720), (2, 35996360), (4, 17998180), (5, 14398544), (8, 8999090), (10, 7199272), (16, 4499545), (20, 3599636), (40, 1799818), (41, 1755920), (47, 1531760), (80, 899909), (82, 877960), (94, 765880), (164, 438980), (188, 382940), (205, 351184), (235, 306352), (328, 219490), (376, 191470), (410, 175592), (467, 154160), (470, 153176), (656, 109745), (752, 95735), (820, 87796), (934, 77080), (940, 76588), (1640, 43898), (1868, 38540), (1880, 38294), (1927, 37360), (2335, 30832), (3280, 21949), (3736, 19270), (3760, 19147), (3854, 18680), (4670, 15416), (7472, 9635), (7708, 9340)]