128612400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 480469248

約数和(自身を除く): 351856848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 61, 70, 75, 80, 84, 100, 105, 112, 120, 122, 140, 150, 168, 175, 183, 200, 210, 240, 244, 251, 280, 300, 305, 336, 350, 366, 400, 420, 427, 488, 502, 525, 560, 600, 610, 700, 732, 753, 840, 854, 915, 976, 1004, 1050, 1200, 1220, 1255, 1281, 1400, 1464, 1506, 1525, 1680, 1708, 1757, 1830, 2008, 2100, 2135, 2440, 2510, 2562, 2800, 2928, 3012, 3050, 3416, 3514, 3660, 3765, 4016, 4200, 4270, 4575, 4880, 5020, 5124, 5271, 6024, 6100, 6275, 6405, 6832, 7028, 7320, 7530, 8400, 8540, 8785, 9150, 10040, 10248, 10542, 10675, 12048, 12200, 12550, 12810, 14056, 14640, 15060, 15311, 17080, 17570, 18300, 18825, 20080, 20496, 21084, 21350, 24400, 25100, 25620, 26355, 28112, 30120, 30622, 32025, 34160, 35140, 36600, 37650, 42168, 42700, 43925, 45933, 50200, 51240, 52710, 60240, 61244, 64050, 70280, 73200, 75300, 76555, 84336, 85400, 87850, 91866, 100400, 102480, 105420, 107177, 122488, 128100, 131775, 140560, 150600, 153110, 170800, 175700, 183732, 210840, 214354, 229665, 244976, 256200, 263550, 301200, 306220, 321531, 351400, 367464, 382775, 421680, 428708, 459330, 512400, 527100, 535885, 612440, 643062, 702800, 734928, 765550, 857416, 918660, 1054200, 1071770, 1148325, 1224880, 1286124, 1531100, 1607655, 1714832, 1837320, 2108400, 2143540, 2296650, 2572248, 2679425, 3062200, 3215310, 3674640, 4287080, 4593300, 5144496, 5358850, 6124400, 6430620, 8038275, 8574160, 9186600, 10717700, 12861240, 16076550, 18373200, 21435400, 25722480, 32153100, 42870800, 64306200, 128612400]

約数ペア:

[(1, 128612400), (2, 64306200), (3, 42870800), (4, 32153100), (5, 25722480), (6, 21435400), (7, 18373200), (8, 16076550), (10, 12861240), (12, 10717700), (14, 9186600), (15, 8574160), (16, 8038275), (20, 6430620), (21, 6124400), (24, 5358850), (25, 5144496), (28, 4593300), (30, 4287080), (35, 3674640), (40, 3215310), (42, 3062200), (48, 2679425), (50, 2572248), (56, 2296650), (60, 2143540), (61, 2108400), (70, 1837320), (75, 1714832), (80, 1607655), (84, 1531100), (100, 1286124), (105, 1224880), (112, 1148325), (120, 1071770), (122, 1054200), (140, 918660), (150, 857416), (168, 765550), (175, 734928), (183, 702800), (200, 643062), (210, 612440), (240, 535885), (244, 527100), (251, 512400), (280, 459330), (300, 428708), (305, 421680), (336, 382775), (350, 367464), (366, 351400), (400, 321531), (420, 306220), (427, 301200), (488, 263550), (502, 256200), (525, 244976), (560, 229665), (600, 214354), (610, 210840), (700, 183732), (732, 175700), (753, 170800), (840, 153110), (854, 150600), (915, 140560), (976, 131775), (1004, 128100), (1050, 122488), (1200, 107177), (1220, 105420), (1255, 102480), (1281, 100400), (1400, 91866), (1464, 87850), (1506, 85400), (1525, 84336), (1680, 76555), (1708, 75300), (1757, 73200), (1830, 70280), (2008, 64050), (2100, 61244), (2135, 60240), (2440, 52710), (2510, 51240), (2562, 50200), (2800, 45933), (2928, 43925), (3012, 42700), (3050, 42168), (3416, 37650), (3514, 36600), (3660, 35140), (3765, 34160), (4016, 32025), (4200, 30622), (4270, 30120), (4575, 28112), (4880, 26355), (5020, 25620), (5124, 25100), (5271, 24400), (6024, 21350), (6100, 21084), (6275, 20496), (6405, 20080), (6832, 18825), (7028, 18300), (7320, 17570), (7530, 17080), (8400, 15311), (8540, 15060), (8785, 14640), (9150, 14056), (10040, 12810), (10248, 12550), (10542, 12200), (10675, 12048)]