648693760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 192

約数和(自身を含む): 1832725440

約数和(自身を除く): 1184031680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 443, 512, 520, 572, 640, 704, 715, 832, 880, 886, 1024, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 1772, 2048, 2080, 2215, 2288, 2560, 2816, 2860, 3328, 3520, 3544, 4160, 4430, 4576, 4873, 5120, 5632, 5720, 5759, 6656, 7040, 7088, 8320, 8860, 9152, 9746, 10240, 11264, 11440, 11518, 13312, 14080, 14176, 16640, 17720, 18304, 19492, 22528, 22880, 23036, 24365, 26624, 28160, 28352, 28795, 33280, 35440, 36608, 38984, 45760, 46072, 48730, 56320, 56704, 57590, 63349, 66560, 70880, 73216, 77968, 91520, 92144, 97460, 112640, 113408, 115180, 126698, 133120, 141760, 146432, 155936, 183040, 184288, 194920, 226816, 230360, 253396, 283520, 292864, 311872, 316745, 366080, 368576, 389840, 453632, 460720, 506792, 567040, 623744, 633490, 732160, 737152, 779680, 907264, 921440, 1013584, 1134080, 1247488, 1266980, 1464320, 1474304, 1559360, 1842880, 2027168, 2268160, 2494976, 2533960, 2948608, 3118720, 3685760, 4054336, 4536320, 4989952, 5067920, 5897216, 6237440, 7371520, 8108672, 9979904, 10135840, 11794432, 12474880, 14743040, 16217344, 20271680, 24949760, 29486080, 32434688, 40543360, 49899520, 58972160, 64869376, 81086720, 129738752, 162173440, 324346880, 648693760]

約数ペア:

[(1, 648693760), (2, 324346880), (4, 162173440), (5, 129738752), (8, 81086720), (10, 64869376), (11, 58972160), (13, 49899520), (16, 40543360), (20, 32434688), (22, 29486080), (26, 24949760), (32, 20271680), (40, 16217344), (44, 14743040), (52, 12474880), (55, 11794432), (64, 10135840), (65, 9979904), (80, 8108672), (88, 7371520), (104, 6237440), (110, 5897216), (128, 5067920), (130, 4989952), (143, 4536320), (160, 4054336), (176, 3685760), (208, 3118720), (220, 2948608), (256, 2533960), (260, 2494976), (286, 2268160), (320, 2027168), (352, 1842880), (416, 1559360), (440, 1474304), (443, 1464320), (512, 1266980), (520, 1247488), (572, 1134080), (640, 1013584), (704, 921440), (715, 907264), (832, 779680), (880, 737152), (886, 732160), (1024, 633490), (1040, 623744), (1144, 567040), (1280, 506792), (1408, 460720), (1430, 453632), (1664, 389840), (1760, 368576), (1772, 366080), (2048, 316745), (2080, 311872), (2215, 292864), (2288, 283520), (2560, 253396), (2816, 230360), (2860, 226816), (3328, 194920), (3520, 184288), (3544, 183040), (4160, 155936), (4430, 146432), (4576, 141760), (4873, 133120), (5120, 126698), (5632, 115180), (5720, 113408), (5759, 112640), (6656, 97460), (7040, 92144), (7088, 91520), (8320, 77968), (8860, 73216), (9152, 70880), (9746, 66560), (10240, 63349), (11264, 57590), (11440, 56704), (11518, 56320), (13312, 48730), (14080, 46072), (14176, 45760), (16640, 38984), (17720, 36608), (18304, 35440), (19492, 33280), (22528, 28795), (22880, 28352), (23036, 28160), (24365, 26624)]