247877280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1171}}^1$

素因数の和:1209

約数の個数: 288

約数和(自身を含む): 1010076480

約数和(自身を除く): 762199200

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1171, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2342, 2352, 2520, 2646, 2940, 3024, 3360, 3513, 3528, 3780, 3920, 4320, 4410, 4684, 4704, 5040, 5292, 5855, 5880, 6048, 6615, 7026, 7056, 7560, 7840, 8197, 8820, 9368, 10080, 10539, 10584, 11710, 11760, 13230, 14052, 14112, 15120, 16394, 17565, 17640, 18736, 21078, 21168, 23420, 23520, 24591, 26460, 28104, 30240, 31617, 32788, 35130, 35280, 37472, 40985, 42156, 42336, 46840, 49182, 52695, 52920, 56208, 57379, 63234, 65576, 70260, 70560, 73773, 81970, 84312, 93680, 98364, 105390, 105840, 112416, 114758, 122955, 126468, 131152, 140520, 147546, 158085, 163940, 168624, 172137, 187360, 196728, 210780, 211680, 221319, 229516, 245910, 252936, 262304, 281040, 286895, 295092, 316170, 327880, 337248, 344274, 368865, 393456, 421560, 442638, 459032, 491820, 505872, 516411, 562080, 573790, 590184, 632340, 655760, 688548, 737730, 786912, 843120, 860685, 885276, 918064, 983640, 1011744, 1032822, 1106595, 1147580, 1180368, 1264680, 1311520, 1377096, 1475460, 1549233, 1686240, 1721370, 1770552, 1836128, 1967280, 2065644, 2213190, 2295160, 2360736, 2529360, 2582055, 2754192, 2950920, 3098466, 3442740, 3541104, 3934560, 4131288, 4426380, 4590320, 5058720, 5164110, 5508384, 5901840, 6196932, 6885480, 7082208, 7746165, 8262576, 8852760, 9180640, 10328220, 11803680, 12393864, 13770960, 15492330, 16525152, 17705520, 20656440, 24787728, 27541920, 30984660, 35411040, 41312880, 49575456, 61969320, 82625760, 123938640, 247877280]

約数ペア:

[(1, 247877280), (2, 123938640), (3, 82625760), (4, 61969320), (5, 49575456), (6, 41312880), (7, 35411040), (8, 30984660), (9, 27541920), (10, 24787728), (12, 20656440), (14, 17705520), (15, 16525152), (16, 15492330), (18, 13770960), (20, 12393864), (21, 11803680), (24, 10328220), (27, 9180640), (28, 8852760), (30, 8262576), (32, 7746165), (35, 7082208), (36, 6885480), (40, 6196932), (42, 5901840), (45, 5508384), (48, 5164110), (49, 5058720), (54, 4590320), (56, 4426380), (60, 4131288), (63, 3934560), (70, 3541104), (72, 3442740), (80, 3098466), (84, 2950920), (90, 2754192), (96, 2582055), (98, 2529360), (105, 2360736), (108, 2295160), (112, 2213190), (120, 2065644), (126, 1967280), (135, 1836128), (140, 1770552), (144, 1721370), (147, 1686240), (160, 1549233), (168, 1475460), (180, 1377096), (189, 1311520), (196, 1264680), (210, 1180368), (216, 1147580), (224, 1106595), (240, 1032822), (245, 1011744), (252, 983640), (270, 918064), (280, 885276), (288, 860685), (294, 843120), (315, 786912), (336, 737730), (360, 688548), (378, 655760), (392, 632340), (420, 590184), (432, 573790), (441, 562080), (480, 516411), (490, 505872), (504, 491820), (540, 459032), (560, 442638), (588, 421560), (630, 393456), (672, 368865), (720, 344274), (735, 337248), (756, 327880), (784, 316170), (840, 295092), (864, 286895), (882, 281040), (945, 262304), (980, 252936), (1008, 245910), (1080, 229516), (1120, 221319), (1171, 211680), (1176, 210780), (1260, 196728), (1323, 187360), (1440, 172137), (1470, 168624), (1512, 163940), (1568, 158085), (1680, 147546), (1764, 140520), (1890, 131152), (1960, 126468), (2016, 122955), (2160, 114758), (2205, 112416), (2342, 105840), (2352, 105390), (2520, 98364), (2646, 93680), (2940, 84312), (3024, 81970), (3360, 73773), (3513, 70560), (3528, 70260), (3780, 65576), (3920, 63234), (4320, 57379), (4410, 56208), (4684, 52920), (4704, 52695), (5040, 49182), (5292, 46840), (5855, 42336), (5880, 42156), (6048, 40985), (6615, 37472), (7026, 35280), (7056, 35130), (7560, 32788), (7840, 31617), (8197, 30240), (8820, 28104), (9368, 26460), (10080, 24591), (10539, 23520), (10584, 23420), (11710, 21168), (11760, 21078), (13230, 18736), (14052, 17640), (14112, 17565), (15120, 16394)]