644265648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1747}}^1$

素因数の和:1971

約数の個数: 120

約数和(自身を含む): 1952718768

約数和(自身を除く): 1308453120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 197, 208, 234, 312, 394, 468, 591, 624, 788, 936, 1182, 1576, 1747, 1773, 1872, 2364, 2561, 3152, 3494, 3546, 4728, 5122, 5241, 6988, 7092, 7683, 9456, 10244, 10482, 13976, 14184, 15366, 15723, 20488, 20964, 22711, 23049, 27952, 28368, 30732, 31446, 40976, 41928, 45422, 46098, 61464, 62892, 68133, 83856, 90844, 92196, 122928, 125784, 136266, 181688, 184392, 204399, 251568, 272532, 344159, 363376, 368784, 408798, 545064, 688318, 817596, 1032477, 1090128, 1376636, 1635192, 2064954, 2753272, 3097431, 3270384, 4129908, 4474067, 5506544, 6194862, 8259816, 8948134, 12389724, 13422201, 16519632, 17896268, 24779448, 26844402, 35792536, 40266603, 49558896, 53688804, 71585072, 80533206, 107377608, 161066412, 214755216, 322132824, 644265648]

約数ペア:

[(1, 644265648), (2, 322132824), (3, 214755216), (4, 161066412), (6, 107377608), (8, 80533206), (9, 71585072), (12, 53688804), (13, 49558896), (16, 40266603), (18, 35792536), (24, 26844402), (26, 24779448), (36, 17896268), (39, 16519632), (48, 13422201), (52, 12389724), (72, 8948134), (78, 8259816), (104, 6194862), (117, 5506544), (144, 4474067), (156, 4129908), (197, 3270384), (208, 3097431), (234, 2753272), (312, 2064954), (394, 1635192), (468, 1376636), (591, 1090128), (624, 1032477), (788, 817596), (936, 688318), (1182, 545064), (1576, 408798), (1747, 368784), (1773, 363376), (1872, 344159), (2364, 272532), (2561, 251568), (3152, 204399), (3494, 184392), (3546, 181688), (4728, 136266), (5122, 125784), (5241, 122928), (6988, 92196), (7092, 90844), (7683, 83856), (9456, 68133), (10244, 62892), (10482, 61464), (13976, 46098), (14184, 45422), (15366, 41928), (15723, 40976), (20488, 31446), (20964, 30732), (22711, 28368), (23049, 27952)]