247745280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 798386400

約数和(自身を除く): 550641120

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, 149, 160, 192, 240, 256, 298, 320, 384, 433, 447, 480, 596, 640, 745, 768, 866, 894, 960, 1192, 1280, 1299, 1490, 1732, 1788, 1920, 2165, 2235, 2384, 2598, 2980, 3464, 3576, 3840, 4330, 4470, 4768, 5196, 5960, 6495, 6928, 7152, 8660, 8940, 9536, 10392, 11920, 12990, 13856, 14304, 17320, 17880, 19072, 20784, 23840, 25980, 27712, 28608, 34640, 35760, 38144, 41568, 47680, 51960, 55424, 57216, 64517, 69280, 71520, 83136, 95360, 103920, 110848, 114432, 129034, 138560, 143040, 166272, 190720, 193551, 207840, 258068, 277120, 286080, 322585, 332544, 387102, 415680, 516136, 554240, 572160, 645170, 774204, 831360, 967755, 1032272, 1290340, 1548408, 1662720, 1935510, 2064544, 2580680, 3096816, 3871020, 4129088, 5161360, 6193632, 7742040, 8258176, 10322720, 12387264, 15484080, 16516352, 20645440, 24774528, 30968160, 41290880, 49549056, 61936320, 82581760, 123872640, 247745280]

約数ペア:

[(1, 247745280), (2, 123872640), (3, 82581760), (4, 61936320), (5, 49549056), (6, 41290880), (8, 30968160), (10, 24774528), (12, 20645440), (15, 16516352), (16, 15484080), (20, 12387264), (24, 10322720), (30, 8258176), (32, 7742040), (40, 6193632), (48, 5161360), (60, 4129088), (64, 3871020), (80, 3096816), (96, 2580680), (120, 2064544), (128, 1935510), (149, 1662720), (160, 1548408), (192, 1290340), (240, 1032272), (256, 967755), (298, 831360), (320, 774204), (384, 645170), (433, 572160), (447, 554240), (480, 516136), (596, 415680), (640, 387102), (745, 332544), (768, 322585), (866, 286080), (894, 277120), (960, 258068), (1192, 207840), (1280, 193551), (1299, 190720), (1490, 166272), (1732, 143040), (1788, 138560), (1920, 129034), (2165, 114432), (2235, 110848), (2384, 103920), (2598, 95360), (2980, 83136), (3464, 71520), (3576, 69280), (3840, 64517), (4330, 57216), (4470, 55424), (4768, 51960), (5196, 47680), (5960, 41568), (6495, 38144), (6928, 35760), (7152, 34640), (8660, 28608), (8940, 27712), (9536, 25980), (10392, 23840), (11920, 20784), (12990, 19072), (13856, 17880), (14304, 17320)]