255871140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{12433}}^1$

素因数の和:12466

約数の個数: 96

約数和(自身を含む): 835564800

約数和(自身を除く): 579693660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 10290, 12433, 20580, 24866, 37299, 49732, 62165, 74598, 87031, 124330, 149196, 174062, 186495, 248660, 261093, 348124, 372990, 435155, 522186, 609217, 745980, 870310, 1044372, 1218434, 1305465, 1740620, 1827651, 2436868, 2610930, 3046085, 3655302, 4264519, 5221860, 6092170, 7310604, 8529038, 9138255, 12184340, 12793557, 17058076, 18276510, 21322595, 25587114, 36553020, 42645190, 51174228, 63967785, 85290380, 127935570, 255871140]

約数ペア:

[(1, 255871140), (2, 127935570), (3, 85290380), (4, 63967785), (5, 51174228), (6, 42645190), (7, 36553020), (10, 25587114), (12, 21322595), (14, 18276510), (15, 17058076), (20, 12793557), (21, 12184340), (28, 9138255), (30, 8529038), (35, 7310604), (42, 6092170), (49, 5221860), (60, 4264519), (70, 3655302), (84, 3046085), (98, 2610930), (105, 2436868), (140, 1827651), (147, 1740620), (196, 1305465), (210, 1218434), (245, 1044372), (294, 870310), (343, 745980), (420, 609217), (490, 522186), (588, 435155), (686, 372990), (735, 348124), (980, 261093), (1029, 248660), (1372, 186495), (1470, 174062), (1715, 149196), (2058, 124330), (2940, 87031), (3430, 74598), (4116, 62165), (5145, 49732), (6860, 37299), (10290, 24866), (12433, 20580)]