247756320

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2731}}^1$

素因数の和:2765

約数の個数: 240

約数和(自身を含む): 999649728

約数和(自身を除く): 751893408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2731, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5462, 5670, 6048, 6480, 7560, 8193, 9072, 10080, 10924, 11340, 12960, 13655, 15120, 16386, 18144, 19117, 21848, 22680, 24579, 27310, 30240, 32772, 38234, 40965, 43696, 45360, 49158, 54620, 57351, 65544, 73737, 76468, 81930, 87392, 90720, 95585, 98316, 109240, 114702, 122895, 131088, 147474, 152936, 163860, 172053, 191170, 196632, 218480, 221211, 229404, 245790, 262176, 286755, 294948, 305872, 327720, 344106, 368685, 382340, 393264, 436960, 442422, 458808, 491580, 516159, 573510, 589896, 611744, 655440, 688212, 737370, 764680, 786528, 860265, 884844, 917616, 983160, 1032318, 1106055, 1147020, 1179792, 1310880, 1376424, 1474740, 1529360, 1548477, 1720530, 1769688, 1835232, 1966320, 2064636, 2212110, 2294040, 2359584, 2580795, 2752848, 2949480, 3058720, 3096954, 3441060, 3539376, 3932640, 4129272, 4424220, 4588080, 5161590, 5505696, 5898960, 6193908, 6882120, 7078752, 7742385, 8258544, 8848440, 9176160, 10323180, 11797920, 12387816, 13764240, 15484770, 16517088, 17696880, 20646360, 24775632, 27528480, 30969540, 35393760, 41292720, 49551264, 61939080, 82585440, 123878160, 247756320]

約数ペア:

[(1, 247756320), (2, 123878160), (3, 82585440), (4, 61939080), (5, 49551264), (6, 41292720), (7, 35393760), (8, 30969540), (9, 27528480), (10, 24775632), (12, 20646360), (14, 17696880), (15, 16517088), (16, 15484770), (18, 13764240), (20, 12387816), (21, 11797920), (24, 10323180), (27, 9176160), (28, 8848440), (30, 8258544), (32, 7742385), (35, 7078752), (36, 6882120), (40, 6193908), (42, 5898960), (45, 5505696), (48, 5161590), (54, 4588080), (56, 4424220), (60, 4129272), (63, 3932640), (70, 3539376), (72, 3441060), (80, 3096954), (81, 3058720), (84, 2949480), (90, 2752848), (96, 2580795), (105, 2359584), (108, 2294040), (112, 2212110), (120, 2064636), (126, 1966320), (135, 1835232), (140, 1769688), (144, 1720530), (160, 1548477), (162, 1529360), (168, 1474740), (180, 1376424), (189, 1310880), (210, 1179792), (216, 1147020), (224, 1106055), (240, 1032318), (252, 983160), (270, 917616), (280, 884844), (288, 860265), (315, 786528), (324, 764680), (336, 737370), (360, 688212), (378, 655440), (405, 611744), (420, 589896), (432, 573510), (480, 516159), (504, 491580), (540, 458808), (560, 442422), (567, 436960), (630, 393264), (648, 382340), (672, 368685), (720, 344106), (756, 327720), (810, 305872), (840, 294948), (864, 286755), (945, 262176), (1008, 245790), (1080, 229404), (1120, 221211), (1134, 218480), (1260, 196632), (1296, 191170), (1440, 172053), (1512, 163860), (1620, 152936), (1680, 147474), (1890, 131088), (2016, 122895), (2160, 114702), (2268, 109240), (2520, 98316), (2592, 95585), (2731, 90720), (2835, 87392), (3024, 81930), (3240, 76468), (3360, 73737), (3780, 65544), (4320, 57351), (4536, 54620), (5040, 49158), (5462, 45360), (5670, 43696), (6048, 40965), (6480, 38234), (7560, 32772), (8193, 30240), (9072, 27310), (10080, 24579), (10924, 22680), (11340, 21848), (12960, 19117), (13655, 18144), (15120, 16386)]