21818728960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11821}}^1$

素因数の和:11954

約数の個数: 160

約数和(自身を含む): 60372778752

約数和(自身を除く): 38554049792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 206, 224, 256, 280, 320, 412, 448, 512, 515, 560, 640, 721, 824, 896, 1030, 1120, 1280, 1442, 1648, 1792, 2060, 2240, 2560, 2884, 3296, 3584, 3605, 4120, 4480, 5768, 6592, 7210, 8240, 8960, 11536, 11821, 13184, 14420, 16480, 17920, 23072, 23642, 26368, 28840, 32960, 46144, 47284, 52736, 57680, 59105, 65920, 82747, 92288, 94568, 115360, 118210, 131840, 165494, 184576, 189136, 230720, 236420, 263680, 330988, 369152, 378272, 413735, 461440, 472840, 661976, 756544, 827470, 922880, 945680, 1217563, 1323952, 1513088, 1654940, 1845760, 1891360, 2435126, 2647904, 3026176, 3309880, 3782720, 4870252, 5295808, 6052352, 6087815, 6619760, 7565440, 8522941, 9740504, 10591616, 12175630, 13239520, 15130880, 17045882, 19481008, 21183232, 24351260, 26479040, 30261760, 34091764, 38962016, 42366464, 42614705, 48702520, 52958080, 68183528, 77924032, 85229410, 97405040, 105916160, 136367056, 155848064, 170458820, 194810080, 211832320, 272734112, 311696128, 340917640, 389620160, 545468224, 623392256, 681835280, 779240320, 1090936448, 1363670560, 1558480640, 2181872896, 2727341120, 3116961280, 4363745792, 5454682240, 10909364480, 21818728960]

約数ペア:

[(1, 21818728960), (2, 10909364480), (4, 5454682240), (5, 4363745792), (7, 3116961280), (8, 2727341120), (10, 2181872896), (14, 1558480640), (16, 1363670560), (20, 1090936448), (28, 779240320), (32, 681835280), (35, 623392256), (40, 545468224), (56, 389620160), (64, 340917640), (70, 311696128), (80, 272734112), (103, 211832320), (112, 194810080), (128, 170458820), (140, 155848064), (160, 136367056), (206, 105916160), (224, 97405040), (256, 85229410), (280, 77924032), (320, 68183528), (412, 52958080), (448, 48702520), (512, 42614705), (515, 42366464), (560, 38962016), (640, 34091764), (721, 30261760), (824, 26479040), (896, 24351260), (1030, 21183232), (1120, 19481008), (1280, 17045882), (1442, 15130880), (1648, 13239520), (1792, 12175630), (2060, 10591616), (2240, 9740504), (2560, 8522941), (2884, 7565440), (3296, 6619760), (3584, 6087815), (3605, 6052352), (4120, 5295808), (4480, 4870252), (5768, 3782720), (6592, 3309880), (7210, 3026176), (8240, 2647904), (8960, 2435126), (11536, 1891360), (11821, 1845760), (13184, 1654940), (14420, 1513088), (16480, 1323952), (17920, 1217563), (23072, 945680), (23642, 922880), (26368, 827470), (28840, 756544), (32960, 661976), (46144, 472840), (47284, 461440), (52736, 413735), (57680, 378272), (59105, 369152), (65920, 330988), (82747, 263680), (92288, 236420), (94568, 230720), (115360, 189136), (118210, 184576), (131840, 165494)]