261770240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 176

約数和(自身を含む): 680914080

約数和(自身を除く): 419143840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 43, 58, 64, 80, 82, 86, 116, 128, 145, 160, 164, 172, 205, 215, 232, 256, 290, 320, 328, 344, 410, 430, 464, 512, 580, 640, 656, 688, 820, 860, 928, 1024, 1160, 1189, 1247, 1280, 1312, 1376, 1640, 1720, 1763, 1856, 2320, 2378, 2494, 2560, 2624, 2752, 3280, 3440, 3526, 3712, 4640, 4756, 4988, 5120, 5248, 5504, 5945, 6235, 6560, 6880, 7052, 7424, 8815, 9280, 9512, 9976, 10496, 11008, 11890, 12470, 13120, 13760, 14104, 14848, 17630, 18560, 19024, 19952, 20992, 22016, 23780, 24940, 26240, 27520, 28208, 29696, 35260, 37120, 38048, 39904, 41984, 44032, 47560, 49880, 51127, 52480, 55040, 56416, 70520, 74240, 76096, 79808, 95120, 99760, 102254, 104960, 110080, 112832, 141040, 148480, 152192, 159616, 190240, 199520, 204508, 209920, 220160, 225664, 255635, 282080, 304384, 319232, 380480, 399040, 409016, 451328, 511270, 564160, 608768, 638464, 760960, 798080, 818032, 902656, 1022540, 1128320, 1217536, 1276928, 1521920, 1596160, 1636064, 1805312, 2045080, 2256640, 3043840, 3192320, 3272128, 4090160, 4513280, 6087680, 6384640, 6544256, 8180320, 9026560, 13088512, 16360640, 26177024, 32721280, 52354048, 65442560, 130885120, 261770240]

約数ペア:

[(1, 261770240), (2, 130885120), (4, 65442560), (5, 52354048), (8, 32721280), (10, 26177024), (16, 16360640), (20, 13088512), (29, 9026560), (32, 8180320), (40, 6544256), (41, 6384640), (43, 6087680), (58, 4513280), (64, 4090160), (80, 3272128), (82, 3192320), (86, 3043840), (116, 2256640), (128, 2045080), (145, 1805312), (160, 1636064), (164, 1596160), (172, 1521920), (205, 1276928), (215, 1217536), (232, 1128320), (256, 1022540), (290, 902656), (320, 818032), (328, 798080), (344, 760960), (410, 638464), (430, 608768), (464, 564160), (512, 511270), (580, 451328), (640, 409016), (656, 399040), (688, 380480), (820, 319232), (860, 304384), (928, 282080), (1024, 255635), (1160, 225664), (1189, 220160), (1247, 209920), (1280, 204508), (1312, 199520), (1376, 190240), (1640, 159616), (1720, 152192), (1763, 148480), (1856, 141040), (2320, 112832), (2378, 110080), (2494, 104960), (2560, 102254), (2624, 99760), (2752, 95120), (3280, 79808), (3440, 76096), (3526, 74240), (3712, 70520), (4640, 56416), (4756, 55040), (4988, 52480), (5120, 51127), (5248, 49880), (5504, 47560), (5945, 44032), (6235, 41984), (6560, 39904), (6880, 38048), (7052, 37120), (7424, 35260), (8815, 29696), (9280, 28208), (9512, 27520), (9976, 26240), (10496, 24940), (11008, 23780), (11890, 22016), (12470, 20992), (13120, 19952), (13760, 19024), (14104, 18560), (14848, 17630)]