18897655680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{7307}}^1$

素因数の和:7781

約数の個数: 192

約数和(自身を含む): 65410254000

約数和(自身を除く): 46512598320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 449, 480, 576, 640, 720, 898, 960, 1152, 1347, 1440, 1796, 1920, 2245, 2694, 2880, 3592, 4041, 4490, 5388, 5760, 6735, 7184, 7307, 8082, 8980, 10776, 13470, 14368, 14614, 16164, 17960, 20205, 21552, 21921, 26940, 28736, 29228, 32328, 35920, 36535, 40410, 43104, 43842, 53880, 57472, 58456, 64656, 65763, 71840, 73070, 80820, 86208, 87684, 107760, 109605, 116912, 129312, 131526, 143680, 146140, 161640, 172416, 175368, 215520, 219210, 233824, 258624, 263052, 287360, 292280, 323280, 328815, 350736, 431040, 438420, 467648, 517248, 526104, 584560, 646560, 657630, 701472, 862080, 876840, 935296, 1052208, 1169120, 1293120, 1315260, 1402944, 1753680, 2104416, 2338240, 2586240, 2630520, 2805888, 3280843, 3507360, 4208832, 4676480, 5261040, 6561686, 7014720, 8417664, 9842529, 10522080, 13123372, 14029440, 16404215, 19685058, 21044160, 26246744, 29527587, 32808430, 39370116, 42088320, 49212645, 52493488, 59055174, 65616860, 78740232, 98425290, 104986976, 118110348, 131233720, 147637935, 157480464, 196850580, 209973952, 236220696, 262467440, 295275870, 314960928, 393701160, 419947904, 472441392, 524934880, 590551740, 629921856, 787402320, 944882784, 1049869760, 1181103480, 1259843712, 1574804640, 1889765568, 2099739520, 2362206960, 3149609280, 3779531136, 4724413920, 6299218560, 9448827840, 18897655680]

約数ペア:

[(1, 18897655680), (2, 9448827840), (3, 6299218560), (4, 4724413920), (5, 3779531136), (6, 3149609280), (8, 2362206960), (9, 2099739520), (10, 1889765568), (12, 1574804640), (15, 1259843712), (16, 1181103480), (18, 1049869760), (20, 944882784), (24, 787402320), (30, 629921856), (32, 590551740), (36, 524934880), (40, 472441392), (45, 419947904), (48, 393701160), (60, 314960928), (64, 295275870), (72, 262467440), (80, 236220696), (90, 209973952), (96, 196850580), (120, 157480464), (128, 147637935), (144, 131233720), (160, 118110348), (180, 104986976), (192, 98425290), (240, 78740232), (288, 65616860), (320, 59055174), (360, 52493488), (384, 49212645), (449, 42088320), (480, 39370116), (576, 32808430), (640, 29527587), (720, 26246744), (898, 21044160), (960, 19685058), (1152, 16404215), (1347, 14029440), (1440, 13123372), (1796, 10522080), (1920, 9842529), (2245, 8417664), (2694, 7014720), (2880, 6561686), (3592, 5261040), (4041, 4676480), (4490, 4208832), (5388, 3507360), (5760, 3280843), (6735, 2805888), (7184, 2630520), (7307, 2586240), (8082, 2338240), (8980, 2104416), (10776, 1753680), (13470, 1402944), (14368, 1315260), (14614, 1293120), (16164, 1169120), (17960, 1052208), (20205, 935296), (21552, 876840), (21921, 862080), (26940, 701472), (28736, 657630), (29228, 646560), (32328, 584560), (35920, 526104), (36535, 517248), (40410, 467648), (43104, 438420), (43842, 431040), (53880, 350736), (57472, 328815), (58456, 323280), (64656, 292280), (65763, 287360), (71840, 263052), (73070, 258624), (80820, 233824), (86208, 219210), (87684, 215520), (107760, 175368), (109605, 172416), (116912, 161640), (129312, 146140), (131526, 143680)]