621714240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{30839}}^1$

素因数の和:30869

約数の個数: 168

約数和(自身を含む): 2444008320

約数和(自身を除く): 1822294080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 30839, 61678, 92517, 123356, 154195, 185034, 215873, 246712, 277551, 308390, 370068, 431746, 462585, 493424, 555102, 616780, 647619, 740136, 863492, 925170, 986848, 1079365, 1110204, 1233560, 1295238, 1387755, 1480272, 1726984, 1850340, 1942857, 1973696, 2158730, 2220408, 2467120, 2590476, 2775510, 2960544, 3238095, 3453968, 3700680, 3885714, 4317460, 4440816, 4934240, 5180952, 5551020, 5921088, 6476190, 6907936, 7401360, 7771428, 8634920, 8881632, 9714285, 9868480, 10361904, 11102040, 12952380, 13815872, 14802720, 15542856, 17269840, 17763264, 19428570, 20723808, 22204080, 25904760, 29605440, 31085712, 34539680, 38857140, 41447616, 44408160, 51809520, 62171424, 69079360, 77714280, 88816320, 103619040, 124342848, 155428560, 207238080, 310857120, 621714240]

約数ペア:

[(1, 621714240), (2, 310857120), (3, 207238080), (4, 155428560), (5, 124342848), (6, 103619040), (7, 88816320), (8, 77714280), (9, 69079360), (10, 62171424), (12, 51809520), (14, 44408160), (15, 41447616), (16, 38857140), (18, 34539680), (20, 31085712), (21, 29605440), (24, 25904760), (28, 22204080), (30, 20723808), (32, 19428570), (35, 17763264), (36, 17269840), (40, 15542856), (42, 14802720), (45, 13815872), (48, 12952380), (56, 11102040), (60, 10361904), (63, 9868480), (64, 9714285), (70, 8881632), (72, 8634920), (80, 7771428), (84, 7401360), (90, 6907936), (96, 6476190), (105, 5921088), (112, 5551020), (120, 5180952), (126, 4934240), (140, 4440816), (144, 4317460), (160, 3885714), (168, 3700680), (180, 3453968), (192, 3238095), (210, 2960544), (224, 2775510), (240, 2590476), (252, 2467120), (280, 2220408), (288, 2158730), (315, 1973696), (320, 1942857), (336, 1850340), (360, 1726984), (420, 1480272), (448, 1387755), (480, 1295238), (504, 1233560), (560, 1110204), (576, 1079365), (630, 986848), (672, 925170), (720, 863492), (840, 740136), (960, 647619), (1008, 616780), (1120, 555102), (1260, 493424), (1344, 462585), (1440, 431746), (1680, 370068), (2016, 308390), (2240, 277551), (2520, 246712), (2880, 215873), (3360, 185034), (4032, 154195), (5040, 123356), (6720, 92517), (10080, 61678), (20160, 30839)]