1640594880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1721}}^1$

素因数の和:2075

約数の個数: 168

約数和(自身を含む): 5663299824

約数和(自身を除く): 4022704944

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, 240, 288, 320, 331, 360, 480, 576, 662, 720, 960, 993, 1324, 1440, 1655, 1721, 1986, 2648, 2880, 2979, 3310, 3442, 3972, 4965, 5163, 5296, 5958, 6620, 6884, 7944, 8605, 9930, 10326, 10592, 11916, 13240, 13768, 14895, 15489, 15888, 17210, 19860, 20652, 21184, 23832, 25815, 26480, 27536, 29790, 30978, 31776, 34420, 39720, 41304, 47664, 51630, 52960, 55072, 59580, 61956, 63552, 68840, 77445, 79440, 82608, 95328, 103260, 105920, 110144, 119160, 123912, 137680, 154890, 158880, 165216, 190656, 206520, 238320, 247824, 275360, 309780, 317760, 330432, 413040, 476640, 495648, 550720, 569651, 619560, 826080, 953280, 991296, 1139302, 1239120, 1652160, 1708953, 2278604, 2478240, 2848255, 3417906, 4557208, 4956480, 5126859, 5696510, 6835812, 8544765, 9114416, 10253718, 11393020, 13671624, 17089530, 18228832, 20507436, 22786040, 25634295, 27343248, 34179060, 36457664, 41014872, 45572080, 51268590, 54686496, 68358120, 82029744, 91144160, 102537180, 109372992, 136716240, 164059488, 182288320, 205074360, 273432480, 328118976, 410148720, 546864960, 820297440, 1640594880]

約数ペア:

[(1, 1640594880), (2, 820297440), (3, 546864960), (4, 410148720), (5, 328118976), (6, 273432480), (8, 205074360), (9, 182288320), (10, 164059488), (12, 136716240), (15, 109372992), (16, 102537180), (18, 91144160), (20, 82029744), (24, 68358120), (30, 54686496), (32, 51268590), (36, 45572080), (40, 41014872), (45, 36457664), (48, 34179060), (60, 27343248), (64, 25634295), (72, 22786040), (80, 20507436), (90, 18228832), (96, 17089530), (120, 13671624), (144, 11393020), (160, 10253718), (180, 9114416), (192, 8544765), (240, 6835812), (288, 5696510), (320, 5126859), (331, 4956480), (360, 4557208), (480, 3417906), (576, 2848255), (662, 2478240), (720, 2278604), (960, 1708953), (993, 1652160), (1324, 1239120), (1440, 1139302), (1655, 991296), (1721, 953280), (1986, 826080), (2648, 619560), (2880, 569651), (2979, 550720), (3310, 495648), (3442, 476640), (3972, 413040), (4965, 330432), (5163, 317760), (5296, 309780), (5958, 275360), (6620, 247824), (6884, 238320), (7944, 206520), (8605, 190656), (9930, 165216), (10326, 158880), (10592, 154890), (11916, 137680), (13240, 123912), (13768, 119160), (14895, 110144), (15489, 105920), (15888, 103260), (17210, 95328), (19860, 82608), (20652, 79440), (21184, 77445), (23832, 68840), (25815, 63552), (26480, 61956), (27536, 59580), (29790, 55072), (30978, 52960), (31776, 51630), (34420, 47664), (39720, 41304)]