211619520

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{3499}}^1$

素因数の和:3532

約数の個数: 224

約数和(自身を含む): 853440000

約数和(自身を除く): 641820480

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3499, 3780, 4032, 4320, 5040, 6048, 6720, 6998, 7560, 8640, 10080, 10497, 12096, 13996, 15120, 17495, 20160, 20994, 24493, 27992, 30240, 31491, 34990, 41988, 48986, 52485, 55984, 60480, 62982, 69980, 73479, 83976, 94473, 97972, 104970, 111968, 122465, 125964, 139960, 146958, 157455, 167952, 188946, 195944, 209940, 220437, 223936, 244930, 251928, 279920, 293916, 314910, 335904, 367395, 377892, 391888, 419880, 440874, 472365, 489860, 503856, 559840, 587832, 629820, 661311, 671808, 734790, 755784, 783776, 839760, 881748, 944730, 979720, 1007712, 1102185, 1119680, 1175664, 1259640, 1322622, 1469580, 1511568, 1567552, 1679520, 1763496, 1889460, 1959440, 2015424, 2204370, 2351328, 2519280, 2645244, 2939160, 3023136, 3306555, 3359040, 3526992, 3778920, 3918880, 4408740, 4702656, 5038560, 5290488, 5878320, 6046272, 6613110, 7053984, 7557840, 7837760, 8817480, 10077120, 10580976, 11756640, 13226220, 14107968, 15115680, 17634960, 21161952, 23513280, 26452440, 30231360, 35269920, 42323904, 52904880, 70539840, 105809760, 211619520]

約数ペア:

[(1, 211619520), (2, 105809760), (3, 70539840), (4, 52904880), (5, 42323904), (6, 35269920), (7, 30231360), (8, 26452440), (9, 23513280), (10, 21161952), (12, 17634960), (14, 15115680), (15, 14107968), (16, 13226220), (18, 11756640), (20, 10580976), (21, 10077120), (24, 8817480), (27, 7837760), (28, 7557840), (30, 7053984), (32, 6613110), (35, 6046272), (36, 5878320), (40, 5290488), (42, 5038560), (45, 4702656), (48, 4408740), (54, 3918880), (56, 3778920), (60, 3526992), (63, 3359040), (64, 3306555), (70, 3023136), (72, 2939160), (80, 2645244), (84, 2519280), (90, 2351328), (96, 2204370), (105, 2015424), (108, 1959440), (112, 1889460), (120, 1763496), (126, 1679520), (135, 1567552), (140, 1511568), (144, 1469580), (160, 1322622), (168, 1259640), (180, 1175664), (189, 1119680), (192, 1102185), (210, 1007712), (216, 979720), (224, 944730), (240, 881748), (252, 839760), (270, 783776), (280, 755784), (288, 734790), (315, 671808), (320, 661311), (336, 629820), (360, 587832), (378, 559840), (420, 503856), (432, 489860), (448, 472365), (480, 440874), (504, 419880), (540, 391888), (560, 377892), (576, 367395), (630, 335904), (672, 314910), (720, 293916), (756, 279920), (840, 251928), (864, 244930), (945, 223936), (960, 220437), (1008, 209940), (1080, 195944), (1120, 188946), (1260, 167952), (1344, 157455), (1440, 146958), (1512, 139960), (1680, 125964), (1728, 122465), (1890, 111968), (2016, 104970), (2160, 97972), (2240, 94473), (2520, 83976), (2880, 73479), (3024, 69980), (3360, 62982), (3499, 60480), (3780, 55984), (4032, 52485), (4320, 48986), (5040, 41988), (6048, 34990), (6720, 31491), (6998, 30240), (7560, 27992), (8640, 24493), (10080, 20994), (10497, 20160), (12096, 17495), (13996, 15120)]