65989280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 191328480

約数和(自身を除く): 125339200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 443, 490, 532, 560, 608, 665, 760, 784, 886, 931, 980, 1064, 1120, 1330, 1520, 1568, 1772, 1862, 1960, 2128, 2215, 2660, 3040, 3101, 3544, 3724, 3920, 4256, 4430, 4655, 5320, 6202, 7088, 7448, 7840, 8417, 8860, 9310, 10640, 12404, 14176, 14896, 15505, 16834, 17720, 18620, 21280, 21707, 24808, 29792, 31010, 33668, 35440, 37240, 42085, 43414, 49616, 58919, 62020, 67336, 70880, 74480, 84170, 86828, 99232, 108535, 117838, 124040, 134672, 148960, 168340, 173656, 217070, 235676, 248080, 269344, 294595, 336680, 347312, 412433, 434140, 471352, 496160, 589190, 673360, 694624, 824866, 868280, 942704, 1178380, 1346720, 1649732, 1736560, 1885408, 2062165, 2356760, 3299464, 3473120, 4124330, 4713520, 6598928, 8248660, 9427040, 13197856, 16497320, 32994640, 65989280]

約数ペア:

[(1, 65989280), (2, 32994640), (4, 16497320), (5, 13197856), (7, 9427040), (8, 8248660), (10, 6598928), (14, 4713520), (16, 4124330), (19, 3473120), (20, 3299464), (28, 2356760), (32, 2062165), (35, 1885408), (38, 1736560), (40, 1649732), (49, 1346720), (56, 1178380), (70, 942704), (76, 868280), (80, 824866), (95, 694624), (98, 673360), (112, 589190), (133, 496160), (140, 471352), (152, 434140), (160, 412433), (190, 347312), (196, 336680), (224, 294595), (245, 269344), (266, 248080), (280, 235676), (304, 217070), (380, 173656), (392, 168340), (443, 148960), (490, 134672), (532, 124040), (560, 117838), (608, 108535), (665, 99232), (760, 86828), (784, 84170), (886, 74480), (931, 70880), (980, 67336), (1064, 62020), (1120, 58919), (1330, 49616), (1520, 43414), (1568, 42085), (1772, 37240), (1862, 35440), (1960, 33668), (2128, 31010), (2215, 29792), (2660, 24808), (3040, 21707), (3101, 21280), (3544, 18620), (3724, 17720), (3920, 16834), (4256, 15505), (4430, 14896), (4655, 14176), (5320, 12404), (6202, 10640), (7088, 9310), (7448, 8860), (7840, 8417)]