12861240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 44997120

約数和(自身を除く): 32135880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 251, 280, 305, 366, 420, 427, 488, 502, 610, 732, 753, 840, 854, 915, 1004, 1220, 1255, 1281, 1464, 1506, 1708, 1757, 1830, 2008, 2135, 2440, 2510, 2562, 3012, 3416, 3514, 3660, 3765, 4270, 5020, 5124, 5271, 6024, 6405, 7028, 7320, 7530, 8540, 8785, 10040, 10248, 10542, 12810, 14056, 15060, 15311, 17080, 17570, 21084, 25620, 26355, 30120, 30622, 35140, 42168, 45933, 51240, 52710, 61244, 70280, 76555, 91866, 105420, 107177, 122488, 153110, 183732, 210840, 214354, 229665, 306220, 321531, 367464, 428708, 459330, 535885, 612440, 643062, 857416, 918660, 1071770, 1286124, 1607655, 1837320, 2143540, 2572248, 3215310, 4287080, 6430620, 12861240]

約数ペア:

[(1, 12861240), (2, 6430620), (3, 4287080), (4, 3215310), (5, 2572248), (6, 2143540), (7, 1837320), (8, 1607655), (10, 1286124), (12, 1071770), (14, 918660), (15, 857416), (20, 643062), (21, 612440), (24, 535885), (28, 459330), (30, 428708), (35, 367464), (40, 321531), (42, 306220), (56, 229665), (60, 214354), (61, 210840), (70, 183732), (84, 153110), (105, 122488), (120, 107177), (122, 105420), (140, 91866), (168, 76555), (183, 70280), (210, 61244), (244, 52710), (251, 51240), (280, 45933), (305, 42168), (366, 35140), (420, 30622), (427, 30120), (488, 26355), (502, 25620), (610, 21084), (732, 17570), (753, 17080), (840, 15311), (854, 15060), (915, 14056), (1004, 12810), (1220, 10542), (1255, 10248), (1281, 10040), (1464, 8785), (1506, 8540), (1708, 7530), (1757, 7320), (1830, 7028), (2008, 6405), (2135, 6024), (2440, 5271), (2510, 5124), (2562, 5020), (3012, 4270), (3416, 3765), (3514, 3660)]