220053680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 644958720

約数和(自身を除く): 424905040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 139, 140, 154, 176, 220, 257, 278, 280, 308, 385, 440, 514, 556, 560, 616, 695, 770, 880, 973, 1028, 1112, 1232, 1285, 1390, 1529, 1540, 1799, 1946, 2056, 2224, 2570, 2780, 2827, 3058, 3080, 3598, 3892, 4112, 4865, 5140, 5560, 5654, 6116, 6160, 7196, 7645, 7784, 8995, 9730, 10280, 10703, 11120, 11308, 12232, 14135, 14392, 15290, 15568, 17990, 19460, 19789, 20560, 21406, 22616, 24464, 28270, 28784, 30580, 35723, 35980, 38920, 39578, 42812, 45232, 53515, 56540, 61160, 71446, 71960, 77840, 79156, 85624, 98945, 107030, 113080, 122320, 142892, 143920, 158312, 171248, 178615, 197890, 214060, 226160, 250061, 285784, 316624, 357230, 392953, 395780, 428120, 500122, 571568, 714460, 785906, 791560, 856240, 1000244, 1250305, 1428920, 1571812, 1583120, 1964765, 2000488, 2500610, 2750671, 2857840, 3143624, 3929530, 4000976, 5001220, 5501342, 6287248, 7859060, 10002440, 11002684, 13753355, 15718120, 20004880, 22005368, 27506710, 31436240, 44010736, 55013420, 110026840, 220053680]

約数ペア:

[(1, 220053680), (2, 110026840), (4, 55013420), (5, 44010736), (7, 31436240), (8, 27506710), (10, 22005368), (11, 20004880), (14, 15718120), (16, 13753355), (20, 11002684), (22, 10002440), (28, 7859060), (35, 6287248), (40, 5501342), (44, 5001220), (55, 4000976), (56, 3929530), (70, 3143624), (77, 2857840), (80, 2750671), (88, 2500610), (110, 2000488), (112, 1964765), (139, 1583120), (140, 1571812), (154, 1428920), (176, 1250305), (220, 1000244), (257, 856240), (278, 791560), (280, 785906), (308, 714460), (385, 571568), (440, 500122), (514, 428120), (556, 395780), (560, 392953), (616, 357230), (695, 316624), (770, 285784), (880, 250061), (973, 226160), (1028, 214060), (1112, 197890), (1232, 178615), (1285, 171248), (1390, 158312), (1529, 143920), (1540, 142892), (1799, 122320), (1946, 113080), (2056, 107030), (2224, 98945), (2570, 85624), (2780, 79156), (2827, 77840), (3058, 71960), (3080, 71446), (3598, 61160), (3892, 56540), (4112, 53515), (4865, 45232), (5140, 42812), (5560, 39578), (5654, 38920), (6116, 35980), (6160, 35723), (7196, 30580), (7645, 28784), (7784, 28270), (8995, 24464), (9730, 22616), (10280, 21406), (10703, 20560), (11120, 19789), (11308, 19460), (12232, 17990), (14135, 15568), (14392, 15290)]