20078146560

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3449}}^1$

素因数の和:3856

約数の個数: 176

約数和(自身を含む): 64406808000

約数和(自身を除く): 44328661440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 379, 384, 480, 512, 640, 758, 768, 960, 1024, 1137, 1280, 1516, 1536, 1895, 1920, 2274, 2560, 3032, 3072, 3449, 3790, 3840, 4548, 5120, 5685, 6064, 6898, 7580, 7680, 9096, 10347, 11370, 12128, 13796, 15160, 15360, 17245, 18192, 20694, 22740, 24256, 27592, 30320, 34490, 36384, 41388, 45480, 48512, 51735, 55184, 60640, 68980, 72768, 82776, 90960, 97024, 103470, 110368, 121280, 137960, 145536, 165552, 181920, 194048, 206940, 220736, 242560, 275920, 291072, 331104, 363840, 388096, 413880, 441472, 485120, 551840, 582144, 662208, 727680, 827760, 882944, 970240, 1103680, 1164288, 1307171, 1324416, 1455360, 1655520, 1765888, 1940480, 2207360, 2614342, 2648832, 2910720, 3311040, 3531776, 3921513, 4414720, 5228684, 5297664, 5821440, 6535855, 6622080, 7843026, 8829440, 10457368, 10595328, 13071710, 13244160, 15686052, 17658880, 19607565, 20914736, 26143420, 26488320, 31372104, 39215130, 41829472, 52286840, 52976640, 62744208, 78430260, 83658944, 104573680, 125488416, 156860520, 167317888, 209147360, 250976832, 313721040, 334635776, 418294720, 501953664, 627442080, 669271552, 836589440, 1003907328, 1254884160, 1338543104, 1673178880, 2007814656, 2509768320, 3346357760, 4015629312, 5019536640, 6692715520, 10039073280, 20078146560]

約数ペア:

[(1, 20078146560), (2, 10039073280), (3, 6692715520), (4, 5019536640), (5, 4015629312), (6, 3346357760), (8, 2509768320), (10, 2007814656), (12, 1673178880), (15, 1338543104), (16, 1254884160), (20, 1003907328), (24, 836589440), (30, 669271552), (32, 627442080), (40, 501953664), (48, 418294720), (60, 334635776), (64, 313721040), (80, 250976832), (96, 209147360), (120, 167317888), (128, 156860520), (160, 125488416), (192, 104573680), (240, 83658944), (256, 78430260), (320, 62744208), (379, 52976640), (384, 52286840), (480, 41829472), (512, 39215130), (640, 31372104), (758, 26488320), (768, 26143420), (960, 20914736), (1024, 19607565), (1137, 17658880), (1280, 15686052), (1516, 13244160), (1536, 13071710), (1895, 10595328), (1920, 10457368), (2274, 8829440), (2560, 7843026), (3032, 6622080), (3072, 6535855), (3449, 5821440), (3790, 5297664), (3840, 5228684), (4548, 4414720), (5120, 3921513), (5685, 3531776), (6064, 3311040), (6898, 2910720), (7580, 2648832), (7680, 2614342), (9096, 2207360), (10347, 1940480), (11370, 1765888), (12128, 1655520), (13796, 1455360), (15160, 1324416), (15360, 1307171), (17245, 1164288), (18192, 1103680), (20694, 970240), (22740, 882944), (24256, 827760), (27592, 727680), (30320, 662208), (34490, 582144), (36384, 551840), (41388, 485120), (45480, 441472), (48512, 413880), (51735, 388096), (55184, 363840), (60640, 331104), (68980, 291072), (72768, 275920), (82776, 242560), (90960, 220736), (97024, 206940), (103470, 194048), (110368, 181920), (121280, 165552), (137960, 145536)]