247739520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18433}}^1$

素因数の和:18462

約数の個数: 128

約数和(自身を含む): 902528640

約数和(自身を除く): 654789120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18433, 36866, 55299, 73732, 92165, 110598, 129031, 147464, 184330, 221196, 258062, 276495, 294928, 368660, 387093, 442392, 516124, 552990, 589856, 645155, 737320, 774186, 884784, 1032248, 1105980, 1179712, 1290310, 1474640, 1548372, 1769568, 1935465, 2064496, 2211960, 2359424, 2580620, 2949280, 3096744, 3539136, 3870930, 4128992, 4423920, 5161240, 5898560, 6193488, 7078272, 7741860, 8257984, 8847840, 10322480, 11797120, 12386976, 15483720, 16515968, 17695680, 20644960, 24773952, 30967440, 35391360, 41289920, 49547904, 61934880, 82579840, 123869760, 247739520]

約数ペア:

[(1, 247739520), (2, 123869760), (3, 82579840), (4, 61934880), (5, 49547904), (6, 41289920), (7, 35391360), (8, 30967440), (10, 24773952), (12, 20644960), (14, 17695680), (15, 16515968), (16, 15483720), (20, 12386976), (21, 11797120), (24, 10322480), (28, 8847840), (30, 8257984), (32, 7741860), (35, 7078272), (40, 6193488), (42, 5898560), (48, 5161240), (56, 4423920), (60, 4128992), (64, 3870930), (70, 3539136), (80, 3096744), (84, 2949280), (96, 2580620), (105, 2359424), (112, 2211960), (120, 2064496), (128, 1935465), (140, 1769568), (160, 1548372), (168, 1474640), (192, 1290310), (210, 1179712), (224, 1105980), (240, 1032248), (280, 884784), (320, 774186), (336, 737320), (384, 645155), (420, 589856), (448, 552990), (480, 516124), (560, 442392), (640, 387093), (672, 368660), (840, 294928), (896, 276495), (960, 258062), (1120, 221196), (1344, 184330), (1680, 147464), (1920, 129031), (2240, 110598), (2688, 92165), (3360, 73732), (4480, 55299), (6720, 36866), (13440, 18433)]