221225760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1336

約数の個数: 288

約数和(自身を含む): 914239872

約数和(自身を除く): 693014112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1291, 1360, 1428, 1440, 1530, 1632, 1680, 1785, 1904, 2016, 2040, 2142, 2380, 2448, 2520, 2582, 2720, 2856, 3060, 3360, 3570, 3808, 3873, 4080, 4284, 4760, 4896, 5040, 5164, 5355, 5712, 6120, 6455, 7140, 7746, 8160, 8568, 9037, 9520, 10080, 10328, 10710, 11424, 11619, 12240, 12910, 14280, 15492, 17136, 18074, 19040, 19365, 20656, 21420, 21947, 23238, 24480, 25820, 27111, 28560, 30984, 34272, 36148, 38730, 41312, 42840, 43894, 45185, 46476, 51640, 54222, 57120, 58095, 61968, 65841, 72296, 77460, 81333, 85680, 87788, 90370, 92952, 103280, 108444, 109735, 116190, 123936, 131682, 135555, 144592, 153629, 154920, 162666, 171360, 175576, 180740, 185904, 197523, 206560, 216888, 219470, 232380, 263364, 271110, 289184, 307258, 309840, 325332, 329205, 351152, 361480, 371808, 395046, 406665, 433776, 438940, 460887, 464760, 526728, 542220, 614516, 619680, 650664, 658410, 702304, 722960, 768145, 790092, 813330, 867552, 877880, 921774, 929520, 987615, 1053456, 1084440, 1229032, 1301328, 1316820, 1382661, 1445920, 1536290, 1580184, 1626660, 1755760, 1843548, 1859040, 1975230, 2106912, 2168880, 2304435, 2458064, 2602656, 2633640, 2765322, 3072580, 3160368, 3253320, 3511520, 3687096, 3950460, 4337760, 4608870, 4916128, 5267280, 5530644, 6145160, 6320736, 6506640, 6913305, 7374192, 7900920, 9217740, 10534560, 11061288, 12290320, 13013280, 13826610, 14748384, 15801840, 18435480, 22122576, 24580640, 27653220, 31603680, 36870960, 44245152, 55306440, 73741920, 110612880, 221225760]

約数ペア:

[(1, 221225760), (2, 110612880), (3, 73741920), (4, 55306440), (5, 44245152), (6, 36870960), (7, 31603680), (8, 27653220), (9, 24580640), (10, 22122576), (12, 18435480), (14, 15801840), (15, 14748384), (16, 13826610), (17, 13013280), (18, 12290320), (20, 11061288), (21, 10534560), (24, 9217740), (28, 7900920), (30, 7374192), (32, 6913305), (34, 6506640), (35, 6320736), (36, 6145160), (40, 5530644), (42, 5267280), (45, 4916128), (48, 4608870), (51, 4337760), (56, 3950460), (60, 3687096), (63, 3511520), (68, 3253320), (70, 3160368), (72, 3072580), (80, 2765322), (84, 2633640), (85, 2602656), (90, 2458064), (96, 2304435), (102, 2168880), (105, 2106912), (112, 1975230), (119, 1859040), (120, 1843548), (126, 1755760), (136, 1626660), (140, 1580184), (144, 1536290), (153, 1445920), (160, 1382661), (168, 1316820), (170, 1301328), (180, 1229032), (204, 1084440), (210, 1053456), (224, 987615), (238, 929520), (240, 921774), (252, 877880), (255, 867552), (272, 813330), (280, 790092), (288, 768145), (306, 722960), (315, 702304), (336, 658410), (340, 650664), (357, 619680), (360, 614516), (408, 542220), (420, 526728), (476, 464760), (480, 460887), (504, 438940), (510, 433776), (544, 406665), (560, 395046), (595, 371808), (612, 361480), (630, 351152), (672, 329205), (680, 325332), (714, 309840), (720, 307258), (765, 289184), (816, 271110), (840, 263364), (952, 232380), (1008, 219470), (1020, 216888), (1071, 206560), (1120, 197523), (1190, 185904), (1224, 180740), (1260, 175576), (1291, 171360), (1360, 162666), (1428, 154920), (1440, 153629), (1530, 144592), (1632, 135555), (1680, 131682), (1785, 123936), (1904, 116190), (2016, 109735), (2040, 108444), (2142, 103280), (2380, 92952), (2448, 90370), (2520, 87788), (2582, 85680), (2720, 81333), (2856, 77460), (3060, 72296), (3360, 65841), (3570, 61968), (3808, 58095), (3873, 57120), (4080, 54222), (4284, 51640), (4760, 46476), (4896, 45185), (5040, 43894), (5164, 42840), (5355, 41312), (5712, 38730), (6120, 36148), (6455, 34272), (7140, 30984), (7746, 28560), (8160, 27111), (8568, 25820), (9037, 24480), (9520, 23238), (10080, 21947), (10328, 21420), (10710, 20656), (11424, 19365), (11619, 19040), (12240, 18074), (12910, 17136), (14280, 15492)]