208060020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2790

約数の個数: 144

約数和(自身を含む): 733369728

約数和(自身を除く): 525309708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2707, 2745, 3660, 3843, 4270, 5124, 5414, 5490, 6405, 7686, 8121, 8540, 10828, 10980, 12810, 13535, 15372, 16242, 18949, 19215, 24363, 25620, 27070, 32484, 37898, 38430, 40605, 48726, 54140, 56847, 75796, 76860, 81210, 94745, 97452, 113694, 121815, 162420, 165127, 170541, 189490, 227388, 243630, 284235, 330254, 341082, 378980, 487260, 495381, 568470, 660508, 682164, 825635, 852705, 990762, 1136940, 1155889, 1486143, 1651270, 1705410, 1981524, 2311778, 2476905, 2972286, 3302540, 3410820, 3467667, 4623556, 4953810, 5779445, 5944572, 6935334, 7430715, 9907620, 10403001, 11558890, 13870668, 14861430, 17338335, 20806002, 23117780, 29722860, 34676670, 41612004, 52015005, 69353340, 104030010, 208060020]

約数ペア:

[(1, 208060020), (2, 104030010), (3, 69353340), (4, 52015005), (5, 41612004), (6, 34676670), (7, 29722860), (9, 23117780), (10, 20806002), (12, 17338335), (14, 14861430), (15, 13870668), (18, 11558890), (20, 10403001), (21, 9907620), (28, 7430715), (30, 6935334), (35, 5944572), (36, 5779445), (42, 4953810), (45, 4623556), (60, 3467667), (61, 3410820), (63, 3302540), (70, 2972286), (84, 2476905), (90, 2311778), (105, 1981524), (122, 1705410), (126, 1651270), (140, 1486143), (180, 1155889), (183, 1136940), (210, 990762), (244, 852705), (252, 825635), (305, 682164), (315, 660508), (366, 568470), (420, 495381), (427, 487260), (549, 378980), (610, 341082), (630, 330254), (732, 284235), (854, 243630), (915, 227388), (1098, 189490), (1220, 170541), (1260, 165127), (1281, 162420), (1708, 121815), (1830, 113694), (2135, 97452), (2196, 94745), (2562, 81210), (2707, 76860), (2745, 75796), (3660, 56847), (3843, 54140), (4270, 48726), (5124, 40605), (5414, 38430), (5490, 37898), (6405, 32484), (7686, 27070), (8121, 25620), (8540, 24363), (10828, 19215), (10980, 18949), (12810, 16242), (13535, 15372)]