2128809280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1289}}^1$

素因数の和:1716

約数の個数: 112

約数和(自身を含む): 5477164560

約数和(自身を除く): 3348355280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 397, 416, 520, 794, 832, 1040, 1289, 1588, 1985, 2080, 2578, 3176, 3970, 4160, 5156, 5161, 6352, 6445, 7940, 10312, 10322, 12704, 12890, 15880, 16757, 20624, 20644, 25408, 25780, 25805, 31760, 33514, 41248, 41288, 51560, 51610, 63520, 67028, 82496, 82576, 83785, 103120, 103220, 127040, 134056, 165152, 167570, 206240, 206440, 268112, 330304, 335140, 412480, 412880, 511733, 536224, 670280, 825760, 1023466, 1072448, 1340560, 1651520, 2046932, 2558665, 2681120, 4093864, 5117330, 5362240, 6652529, 8187728, 10234660, 13305058, 16375456, 20469320, 26610116, 32750912, 33262645, 40938640, 53220232, 66525290, 81877280, 106440464, 133050580, 163754560, 212880928, 266101160, 425761856, 532202320, 1064404640, 2128809280]

約数ペア:

[(1, 2128809280), (2, 1064404640), (4, 532202320), (5, 425761856), (8, 266101160), (10, 212880928), (13, 163754560), (16, 133050580), (20, 106440464), (26, 81877280), (32, 66525290), (40, 53220232), (52, 40938640), (64, 33262645), (65, 32750912), (80, 26610116), (104, 20469320), (130, 16375456), (160, 13305058), (208, 10234660), (260, 8187728), (320, 6652529), (397, 5362240), (416, 5117330), (520, 4093864), (794, 2681120), (832, 2558665), (1040, 2046932), (1289, 1651520), (1588, 1340560), (1985, 1072448), (2080, 1023466), (2578, 825760), (3176, 670280), (3970, 536224), (4160, 511733), (5156, 412880), (5161, 412480), (6352, 335140), (6445, 330304), (7940, 268112), (10312, 206440), (10322, 206240), (12704, 167570), (12890, 165152), (15880, 134056), (16757, 127040), (20624, 103220), (20644, 103120), (25408, 83785), (25780, 82576), (25805, 82496), (31760, 67028), (33514, 63520), (41248, 51610), (41288, 51560)]