54197920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 154441728

約数和(自身を除く): 100243808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 223, 224, 245, 248, 280, 310, 392, 434, 446, 490, 496, 560, 620, 784, 868, 892, 980, 992, 1085, 1115, 1120, 1240, 1519, 1561, 1568, 1736, 1784, 1960, 2170, 2230, 2480, 3038, 3122, 3472, 3568, 3920, 4340, 4460, 4960, 6076, 6244, 6913, 6944, 7136, 7595, 7805, 7840, 8680, 8920, 10927, 12152, 12488, 13826, 15190, 15610, 17360, 17840, 21854, 24304, 24976, 27652, 30380, 31220, 34565, 34720, 35680, 43708, 48391, 48608, 49952, 54635, 55304, 60760, 62440, 69130, 87416, 96782, 109270, 110608, 121520, 124880, 138260, 174832, 193564, 218540, 221216, 241955, 243040, 249760, 276520, 338737, 349664, 387128, 437080, 483910, 553040, 677474, 774256, 874160, 967820, 1106080, 1354948, 1548512, 1693685, 1748320, 1935640, 2709896, 3387370, 3871280, 5419792, 6774740, 7742560, 10839584, 13549480, 27098960, 54197920]

約数ペア:

[(1, 54197920), (2, 27098960), (4, 13549480), (5, 10839584), (7, 7742560), (8, 6774740), (10, 5419792), (14, 3871280), (16, 3387370), (20, 2709896), (28, 1935640), (31, 1748320), (32, 1693685), (35, 1548512), (40, 1354948), (49, 1106080), (56, 967820), (62, 874160), (70, 774256), (80, 677474), (98, 553040), (112, 483910), (124, 437080), (140, 387128), (155, 349664), (160, 338737), (196, 276520), (217, 249760), (223, 243040), (224, 241955), (245, 221216), (248, 218540), (280, 193564), (310, 174832), (392, 138260), (434, 124880), (446, 121520), (490, 110608), (496, 109270), (560, 96782), (620, 87416), (784, 69130), (868, 62440), (892, 60760), (980, 55304), (992, 54635), (1085, 49952), (1115, 48608), (1120, 48391), (1240, 43708), (1519, 35680), (1561, 34720), (1568, 34565), (1736, 31220), (1784, 30380), (1960, 27652), (2170, 24976), (2230, 24304), (2480, 21854), (3038, 17840), (3122, 17360), (3472, 15610), (3568, 15190), (3920, 13826), (4340, 12488), (4460, 12152), (4960, 10927), (6076, 8920), (6244, 8680), (6913, 7840), (6944, 7805), (7136, 7595)]