20806031520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34649}}^1$

素因数の和:34812

約数の個数: 192

約数和(自身を含む): 73347120000

約数和(自身を除く): 52541088480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 139, 144, 160, 180, 216, 240, 270, 278, 288, 360, 417, 432, 480, 540, 556, 695, 720, 834, 864, 1080, 1112, 1251, 1390, 1440, 1668, 2085, 2160, 2224, 2502, 2780, 3336, 3753, 4170, 4320, 4448, 5004, 5560, 6255, 6672, 7506, 8340, 10008, 11120, 12510, 13344, 15012, 16680, 18765, 20016, 22240, 25020, 30024, 33360, 34649, 37530, 40032, 50040, 60048, 66720, 69298, 75060, 100080, 103947, 120096, 138596, 150120, 173245, 200160, 207894, 277192, 300240, 311841, 346490, 415788, 519735, 554384, 600480, 623682, 692980, 831576, 935523, 1039470, 1108768, 1247364, 1385960, 1559205, 1663152, 1871046, 2078940, 2494728, 2771920, 3118410, 3326304, 3742092, 4157880, 4677615, 4816211, 4989456, 5543840, 6236820, 7484184, 8315760, 9355230, 9632422, 9978912, 12473640, 14448633, 14968368, 16631520, 18710460, 19264844, 24081055, 24947280, 28897266, 29936736, 37420920, 38529688, 43345899, 48162110, 49894560, 57794532, 72243165, 74841840, 77059376, 86691798, 96324220, 115589064, 130037697, 144486330, 149683680, 154118752, 173383596, 192648440, 216729495, 231178128, 260075394, 288972660, 346767192, 385296880, 433458990, 462356256, 520150788, 577945320, 650188485, 693534384, 770593760, 866917980, 1040301576, 1155890640, 1300376970, 1387068768, 1733835960, 2080603152, 2311781280, 2600753940, 3467671920, 4161206304, 5201507880, 6935343840, 10403015760, 20806031520]

約数ペア:

[(1, 20806031520), (2, 10403015760), (3, 6935343840), (4, 5201507880), (5, 4161206304), (6, 3467671920), (8, 2600753940), (9, 2311781280), (10, 2080603152), (12, 1733835960), (15, 1387068768), (16, 1300376970), (18, 1155890640), (20, 1040301576), (24, 866917980), (27, 770593760), (30, 693534384), (32, 650188485), (36, 577945320), (40, 520150788), (45, 462356256), (48, 433458990), (54, 385296880), (60, 346767192), (72, 288972660), (80, 260075394), (90, 231178128), (96, 216729495), (108, 192648440), (120, 173383596), (135, 154118752), (139, 149683680), (144, 144486330), (160, 130037697), (180, 115589064), (216, 96324220), (240, 86691798), (270, 77059376), (278, 74841840), (288, 72243165), (360, 57794532), (417, 49894560), (432, 48162110), (480, 43345899), (540, 38529688), (556, 37420920), (695, 29936736), (720, 28897266), (834, 24947280), (864, 24081055), (1080, 19264844), (1112, 18710460), (1251, 16631520), (1390, 14968368), (1440, 14448633), (1668, 12473640), (2085, 9978912), (2160, 9632422), (2224, 9355230), (2502, 8315760), (2780, 7484184), (3336, 6236820), (3753, 5543840), (4170, 4989456), (4320, 4816211), (4448, 4677615), (5004, 4157880), (5560, 3742092), (6255, 3326304), (6672, 3118410), (7506, 2771920), (8340, 2494728), (10008, 2078940), (11120, 1871046), (12510, 1663152), (13344, 1559205), (15012, 1385960), (16680, 1247364), (18765, 1108768), (20016, 1039470), (22240, 935523), (25020, 831576), (30024, 692980), (33360, 623682), (34649, 600480), (37530, 554384), (40032, 519735), (50040, 415788), (60048, 346490), (66720, 311841), (69298, 300240), (75060, 277192), (100080, 207894), (103947, 200160), (120096, 173245), (138596, 150120)]