78829680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 260621712

約数和(自身を除く): 181792032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 139, 170, 204, 240, 255, 272, 278, 340, 408, 417, 510, 556, 680, 695, 816, 834, 1020, 1112, 1360, 1390, 1668, 2040, 2085, 2224, 2363, 2780, 3336, 4080, 4170, 4726, 5560, 6672, 7089, 8340, 9452, 11120, 11815, 14178, 16680, 18904, 19321, 23630, 28356, 33360, 35445, 37808, 38642, 47260, 56712, 57963, 70890, 77284, 94520, 96605, 113424, 115926, 141780, 154568, 189040, 193210, 231852, 283560, 289815, 309136, 328457, 386420, 463704, 567120, 579630, 656914, 772840, 927408, 985371, 1159260, 1313828, 1545680, 1642285, 1970742, 2318520, 2627656, 3284570, 3941484, 4637040, 4926855, 5255312, 6569140, 7882968, 9853710, 13138280, 15765936, 19707420, 26276560, 39414840, 78829680]

約数ペア:

[(1, 78829680), (2, 39414840), (3, 26276560), (4, 19707420), (5, 15765936), (6, 13138280), (8, 9853710), (10, 7882968), (12, 6569140), (15, 5255312), (16, 4926855), (17, 4637040), (20, 3941484), (24, 3284570), (30, 2627656), (34, 2318520), (40, 1970742), (48, 1642285), (51, 1545680), (60, 1313828), (68, 1159260), (80, 985371), (85, 927408), (102, 772840), (120, 656914), (136, 579630), (139, 567120), (170, 463704), (204, 386420), (240, 328457), (255, 309136), (272, 289815), (278, 283560), (340, 231852), (408, 193210), (417, 189040), (510, 154568), (556, 141780), (680, 115926), (695, 113424), (816, 96605), (834, 94520), (1020, 77284), (1112, 70890), (1360, 57963), (1390, 56712), (1668, 47260), (2040, 38642), (2085, 37808), (2224, 35445), (2363, 33360), (2780, 28356), (3336, 23630), (4080, 19321), (4170, 18904), (4726, 16680), (5560, 14178), (6672, 11815), (7089, 11120), (8340, 9452)]