51261960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 160704000

約数和(自身を除く): 109442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 61, 94, 120, 122, 141, 149, 183, 188, 235, 244, 282, 298, 305, 366, 376, 447, 470, 488, 564, 596, 610, 705, 732, 745, 894, 915, 940, 1128, 1192, 1220, 1410, 1464, 1490, 1788, 1830, 1880, 2235, 2440, 2820, 2867, 2980, 3576, 3660, 4470, 5640, 5734, 5960, 7003, 7320, 8601, 8940, 9089, 11468, 14006, 14335, 17202, 17880, 18178, 21009, 22936, 27267, 28012, 28670, 34404, 35015, 36356, 42018, 43005, 45445, 54534, 56024, 57340, 68808, 70030, 72712, 84036, 86010, 90890, 105045, 109068, 114680, 136335, 140060, 168072, 172020, 181780, 210090, 218136, 272670, 280120, 344040, 363560, 420180, 427183, 545340, 840360, 854366, 1090680, 1281549, 1708732, 2135915, 2563098, 3417464, 4271830, 5126196, 6407745, 8543660, 10252392, 12815490, 17087320, 25630980, 51261960]

約数ペア:

[(1, 51261960), (2, 25630980), (3, 17087320), (4, 12815490), (5, 10252392), (6, 8543660), (8, 6407745), (10, 5126196), (12, 4271830), (15, 3417464), (20, 2563098), (24, 2135915), (30, 1708732), (40, 1281549), (47, 1090680), (60, 854366), (61, 840360), (94, 545340), (120, 427183), (122, 420180), (141, 363560), (149, 344040), (183, 280120), (188, 272670), (235, 218136), (244, 210090), (282, 181780), (298, 172020), (305, 168072), (366, 140060), (376, 136335), (447, 114680), (470, 109068), (488, 105045), (564, 90890), (596, 86010), (610, 84036), (705, 72712), (732, 70030), (745, 68808), (894, 57340), (915, 56024), (940, 54534), (1128, 45445), (1192, 43005), (1220, 42018), (1410, 36356), (1464, 35015), (1490, 34404), (1788, 28670), (1830, 28012), (1880, 27267), (2235, 22936), (2440, 21009), (2820, 18178), (2867, 17880), (2980, 17202), (3576, 14335), (3660, 14006), (4470, 11468), (5640, 9089), (5734, 8940), (5960, 8601), (7003, 7320)]