205541280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:1009

約数の個数: 288

約数和(自身を含む): 837708480

約数和(自身を除く): 632167200

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, 971, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1942, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2913, 2940, 3024, 3360, 3528, 3780, 3884, 3920, 4320, 4410, 4704, 4855, 5040, 5292, 5826, 5880, 6048, 6615, 6797, 7056, 7560, 7768, 7840, 8739, 8820, 9710, 10080, 10584, 11652, 11760, 13230, 13594, 14112, 14565, 15120, 15536, 17478, 17640, 19420, 20391, 21168, 23304, 23520, 26217, 26460, 27188, 29130, 30240, 31072, 33985, 34956, 35280, 38840, 40782, 42336, 43695, 46608, 47579, 52434, 52920, 54376, 58260, 61173, 67970, 69912, 70560, 77680, 81564, 87390, 93216, 95158, 101955, 104868, 105840, 108752, 116520, 122346, 131085, 135940, 139824, 142737, 155360, 163128, 174780, 183519, 190316, 203910, 209736, 211680, 217504, 233040, 237895, 244692, 262170, 271880, 279648, 285474, 305865, 326256, 349560, 367038, 380632, 407820, 419472, 428211, 466080, 475790, 489384, 524340, 543760, 570948, 611730, 652512, 699120, 713685, 734076, 761264, 815640, 838944, 856422, 917595, 951580, 978768, 1048680, 1087520, 1141896, 1223460, 1284633, 1398240, 1427370, 1468152, 1522528, 1631280, 1712844, 1835190, 1903160, 1957536, 2097360, 2141055, 2283792, 2446920, 2569266, 2854740, 2936304, 3262560, 3425688, 3670380, 3806320, 4194720, 4282110, 4567584, 4893840, 5138532, 5709480, 5872608, 6423165, 6851376, 7340760, 7612640, 8564220, 9787680, 10277064, 11418960, 12846330, 13702752, 14681520, 17128440, 20554128, 22837920, 25692660, 29363040, 34256880, 41108256, 51385320, 68513760, 102770640, 205541280]

約数ペア:

[(1, 205541280), (2, 102770640), (3, 68513760), (4, 51385320), (5, 41108256), (6, 34256880), (7, 29363040), (8, 25692660), (9, 22837920), (10, 20554128), (12, 17128440), (14, 14681520), (15, 13702752), (16, 12846330), (18, 11418960), (20, 10277064), (21, 9787680), (24, 8564220), (27, 7612640), (28, 7340760), (30, 6851376), (32, 6423165), (35, 5872608), (36, 5709480), (40, 5138532), (42, 4893840), (45, 4567584), (48, 4282110), (49, 4194720), (54, 3806320), (56, 3670380), (60, 3425688), (63, 3262560), (70, 2936304), (72, 2854740), (80, 2569266), (84, 2446920), (90, 2283792), (96, 2141055), (98, 2097360), (105, 1957536), (108, 1903160), (112, 1835190), (120, 1712844), (126, 1631280), (135, 1522528), (140, 1468152), (144, 1427370), (147, 1398240), (160, 1284633), (168, 1223460), (180, 1141896), (189, 1087520), (196, 1048680), (210, 978768), (216, 951580), (224, 917595), (240, 856422), (245, 838944), (252, 815640), (270, 761264), (280, 734076), (288, 713685), (294, 699120), (315, 652512), (336, 611730), (360, 570948), (378, 543760), (392, 524340), (420, 489384), (432, 475790), (441, 466080), (480, 428211), (490, 419472), (504, 407820), (540, 380632), (560, 367038), (588, 349560), (630, 326256), (672, 305865), (720, 285474), (735, 279648), (756, 271880), (784, 262170), (840, 244692), (864, 237895), (882, 233040), (945, 217504), (971, 211680), (980, 209736), (1008, 203910), (1080, 190316), (1120, 183519), (1176, 174780), (1260, 163128), (1323, 155360), (1440, 142737), (1470, 139824), (1512, 135940), (1568, 131085), (1680, 122346), (1764, 116520), (1890, 108752), (1942, 105840), (1960, 104868), (2016, 101955), (2160, 95158), (2205, 93216), (2352, 87390), (2520, 81564), (2646, 77680), (2913, 70560), (2940, 69912), (3024, 67970), (3360, 61173), (3528, 58260), (3780, 54376), (3884, 52920), (3920, 52434), (4320, 47579), (4410, 46608), (4704, 43695), (4855, 42336), (5040, 40782), (5292, 38840), (5826, 35280), (5880, 34956), (6048, 33985), (6615, 31072), (6797, 30240), (7056, 29130), (7560, 27188), (7768, 26460), (7840, 26217), (8739, 23520), (8820, 23304), (9710, 21168), (10080, 20391), (10584, 19420), (11652, 17640), (11760, 17478), (13230, 15536), (13594, 15120), (14112, 14565)]