205110720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:563

約数の個数: 168

約数和(自身を含む): 710854560

約数和(自身を除く): 505743840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 229, 240, 288, 311, 320, 360, 458, 480, 576, 622, 687, 720, 916, 933, 960, 1145, 1244, 1374, 1440, 1555, 1832, 1866, 2061, 2290, 2488, 2748, 2799, 2880, 3110, 3435, 3664, 3732, 4122, 4580, 4665, 4976, 5496, 5598, 6220, 6870, 7328, 7464, 8244, 9160, 9330, 9952, 10305, 10992, 11196, 12440, 13740, 13995, 14656, 14928, 16488, 18320, 18660, 19904, 20610, 21984, 22392, 24880, 27480, 27990, 29856, 32976, 36640, 37320, 41220, 43968, 44784, 49760, 54960, 55980, 59712, 65952, 71219, 73280, 74640, 82440, 89568, 99520, 109920, 111960, 131904, 142438, 149280, 164880, 179136, 213657, 219840, 223920, 284876, 298560, 329760, 356095, 427314, 447840, 569752, 640971, 659520, 712190, 854628, 895680, 1068285, 1139504, 1281942, 1424380, 1709256, 2136570, 2279008, 2563884, 2848760, 3204855, 3418512, 4273140, 4558016, 5127768, 5697520, 6409710, 6837024, 8546280, 10255536, 11395040, 12819420, 13674048, 17092560, 20511072, 22790080, 25638840, 34185120, 41022144, 51277680, 68370240, 102555360, 205110720]

約数ペア:

[(1, 205110720), (2, 102555360), (3, 68370240), (4, 51277680), (5, 41022144), (6, 34185120), (8, 25638840), (9, 22790080), (10, 20511072), (12, 17092560), (15, 13674048), (16, 12819420), (18, 11395040), (20, 10255536), (24, 8546280), (30, 6837024), (32, 6409710), (36, 5697520), (40, 5127768), (45, 4558016), (48, 4273140), (60, 3418512), (64, 3204855), (72, 2848760), (80, 2563884), (90, 2279008), (96, 2136570), (120, 1709256), (144, 1424380), (160, 1281942), (180, 1139504), (192, 1068285), (229, 895680), (240, 854628), (288, 712190), (311, 659520), (320, 640971), (360, 569752), (458, 447840), (480, 427314), (576, 356095), (622, 329760), (687, 298560), (720, 284876), (916, 223920), (933, 219840), (960, 213657), (1145, 179136), (1244, 164880), (1374, 149280), (1440, 142438), (1555, 131904), (1832, 111960), (1866, 109920), (2061, 99520), (2290, 89568), (2488, 82440), (2748, 74640), (2799, 73280), (2880, 71219), (3110, 65952), (3435, 59712), (3664, 55980), (3732, 54960), (4122, 49760), (4580, 44784), (4665, 43968), (4976, 41220), (5496, 37320), (5598, 36640), (6220, 32976), (6870, 29856), (7328, 27990), (7464, 27480), (8244, 24880), (9160, 22392), (9330, 21984), (9952, 20610), (10305, 19904), (10992, 18660), (11196, 18320), (12440, 16488), (13740, 14928), (13995, 14656)]