1921307520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90971}}^1$

素因数の和:91004

約数の個数: 128

約数和(自身を含む): 6680983680

約数和(自身を除く): 4759676160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 90971, 181942, 272913, 363884, 454855, 545826, 727768, 909710, 1000681, 1091652, 1364565, 1455536, 1819420, 2001362, 2183304, 2729130, 2911072, 3002043, 3638840, 4002724, 4366608, 5003405, 5458260, 5822144, 6004086, 7277680, 8005448, 8733216, 10006810, 10916520, 11644288, 12008172, 14555360, 15010215, 16010896, 17466432, 20013620, 21833040, 24016344, 29110720, 30020430, 32021792, 34932864, 40027240, 43666080, 48032688, 58221440, 60040860, 64043584, 80054480, 87332160, 96065376, 120081720, 128087168, 160108960, 174664320, 192130752, 240163440, 320217920, 384261504, 480326880, 640435840, 960653760, 1921307520]

約数ペア:

[(1, 1921307520), (2, 960653760), (3, 640435840), (4, 480326880), (5, 384261504), (6, 320217920), (8, 240163440), (10, 192130752), (11, 174664320), (12, 160108960), (15, 128087168), (16, 120081720), (20, 96065376), (22, 87332160), (24, 80054480), (30, 64043584), (32, 60040860), (33, 58221440), (40, 48032688), (44, 43666080), (48, 40027240), (55, 34932864), (60, 32021792), (64, 30020430), (66, 29110720), (80, 24016344), (88, 21833040), (96, 20013620), (110, 17466432), (120, 16010896), (128, 15010215), (132, 14555360), (160, 12008172), (165, 11644288), (176, 10916520), (192, 10006810), (220, 8733216), (240, 8005448), (264, 7277680), (320, 6004086), (330, 5822144), (352, 5458260), (384, 5003405), (440, 4366608), (480, 4002724), (528, 3638840), (640, 3002043), (660, 2911072), (704, 2729130), (880, 2183304), (960, 2001362), (1056, 1819420), (1320, 1455536), (1408, 1364565), (1760, 1091652), (1920, 1000681), (2112, 909710), (2640, 727768), (3520, 545826), (4224, 454855), (5280, 363884), (7040, 272913), (10560, 181942), (21120, 90971)]