249747120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7079}}^1$

素因数の和:7112

約数の個数: 180

約数和(自身を含む): 975808080

約数和(自身を除く): 726060960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7079, 8820, 11760, 14158, 17640, 21237, 28316, 35280, 35395, 42474, 49553, 56632, 63711, 70790, 84948, 99106, 106185, 113264, 127422, 141580, 148659, 169896, 198212, 212370, 247765, 254844, 283160, 297318, 318555, 339792, 346871, 396424, 424740, 445977, 495530, 509688, 566320, 594636, 637110, 693742, 743295, 792848, 849480, 891954, 991060, 1019376, 1040613, 1189272, 1274220, 1387484, 1486590, 1698960, 1734355, 1783908, 1982120, 2081226, 2229885, 2378544, 2548440, 2774968, 2973180, 3121839, 3468710, 3567816, 3964240, 4162452, 4459770, 5096880, 5203065, 5549936, 5946360, 6243678, 6937420, 7135632, 8324904, 8919540, 10406130, 11892720, 12487356, 13874840, 15609195, 16649808, 17839080, 20812260, 24974712, 27749680, 31218390, 35678160, 41624520, 49949424, 62436780, 83249040, 124873560, 249747120]

約数ペア:

[(1, 249747120), (2, 124873560), (3, 83249040), (4, 62436780), (5, 49949424), (6, 41624520), (7, 35678160), (8, 31218390), (9, 27749680), (10, 24974712), (12, 20812260), (14, 17839080), (15, 16649808), (16, 15609195), (18, 13874840), (20, 12487356), (21, 11892720), (24, 10406130), (28, 8919540), (30, 8324904), (35, 7135632), (36, 6937420), (40, 6243678), (42, 5946360), (45, 5549936), (48, 5203065), (49, 5096880), (56, 4459770), (60, 4162452), (63, 3964240), (70, 3567816), (72, 3468710), (80, 3121839), (84, 2973180), (90, 2774968), (98, 2548440), (105, 2378544), (112, 2229885), (120, 2081226), (126, 1982120), (140, 1783908), (144, 1734355), (147, 1698960), (168, 1486590), (180, 1387484), (196, 1274220), (210, 1189272), (240, 1040613), (245, 1019376), (252, 991060), (280, 891954), (294, 849480), (315, 792848), (336, 743295), (360, 693742), (392, 637110), (420, 594636), (441, 566320), (490, 509688), (504, 495530), (560, 445977), (588, 424740), (630, 396424), (720, 346871), (735, 339792), (784, 318555), (840, 297318), (882, 283160), (980, 254844), (1008, 247765), (1176, 212370), (1260, 198212), (1470, 169896), (1680, 148659), (1764, 141580), (1960, 127422), (2205, 113264), (2352, 106185), (2520, 99106), (2940, 84948), (3528, 70790), (3920, 63711), (4410, 56632), (5040, 49553), (5880, 42474), (7056, 35395), (7079, 35280), (8820, 28316), (11760, 21237), (14158, 17640)]