19728689280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{22193}}^1$

素因数の和:22678

約数の個数: 128

約数和(自身を含む): 63023857920

約数和(自身を除く): 43295168640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 463, 480, 640, 926, 960, 1389, 1852, 1920, 2315, 2778, 3704, 4630, 5556, 6945, 7408, 9260, 11112, 13890, 14816, 18520, 22193, 22224, 27780, 29632, 37040, 44386, 44448, 55560, 59264, 66579, 74080, 88772, 88896, 110965, 111120, 133158, 148160, 177544, 177792, 221930, 222240, 266316, 296320, 332895, 355088, 443860, 444480, 532632, 665790, 710176, 887720, 888960, 1065264, 1331580, 1420352, 1775440, 2130528, 2663160, 2840704, 3550880, 4261056, 5326320, 7101760, 8522112, 10275359, 10652640, 14203520, 20550718, 21305280, 30826077, 41101436, 42610560, 51376795, 61652154, 82202872, 102753590, 123304308, 154130385, 164405744, 205507180, 246608616, 308260770, 328811488, 411014360, 493217232, 616521540, 657622976, 822028720, 986434464, 1233043080, 1315245952, 1644057440, 1972868928, 2466086160, 3288114880, 3945737856, 4932172320, 6576229760, 9864344640, 19728689280]

約数ペア:

[(1, 19728689280), (2, 9864344640), (3, 6576229760), (4, 4932172320), (5, 3945737856), (6, 3288114880), (8, 2466086160), (10, 1972868928), (12, 1644057440), (15, 1315245952), (16, 1233043080), (20, 986434464), (24, 822028720), (30, 657622976), (32, 616521540), (40, 493217232), (48, 411014360), (60, 328811488), (64, 308260770), (80, 246608616), (96, 205507180), (120, 164405744), (128, 154130385), (160, 123304308), (192, 102753590), (240, 82202872), (320, 61652154), (384, 51376795), (463, 42610560), (480, 41101436), (640, 30826077), (926, 21305280), (960, 20550718), (1389, 14203520), (1852, 10652640), (1920, 10275359), (2315, 8522112), (2778, 7101760), (3704, 5326320), (4630, 4261056), (5556, 3550880), (6945, 2840704), (7408, 2663160), (9260, 2130528), (11112, 1775440), (13890, 1420352), (14816, 1331580), (18520, 1065264), (22193, 888960), (22224, 887720), (27780, 710176), (29632, 665790), (37040, 532632), (44386, 444480), (44448, 443860), (55560, 355088), (59264, 332895), (66579, 296320), (74080, 266316), (88772, 222240), (88896, 221930), (110965, 177792), (111120, 177544), (133158, 148160)]