68105520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13513}}^1$

素因数の和:13539

約数の個数: 120

約数和(自身を含む): 261414816

約数和(自身を除く): 193309296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13513, 27026, 40539, 54052, 67565, 81078, 94591, 108104, 121617, 135130, 162156, 189182, 202695, 216208, 243234, 270260, 283773, 324312, 378364, 405390, 472955, 486468, 540520, 567546, 608085, 648624, 756728, 810780, 851319, 945910, 972936, 1081040, 1135092, 1216170, 1418865, 1513456, 1621560, 1702638, 1891820, 1945872, 2270184, 2432340, 2837730, 3243120, 3405276, 3783640, 4256595, 4540368, 4864680, 5675460, 6810552, 7567280, 8513190, 9729360, 11350920, 13621104, 17026380, 22701840, 34052760, 68105520]

約数ペア:

[(1, 68105520), (2, 34052760), (3, 22701840), (4, 17026380), (5, 13621104), (6, 11350920), (7, 9729360), (8, 8513190), (9, 7567280), (10, 6810552), (12, 5675460), (14, 4864680), (15, 4540368), (16, 4256595), (18, 3783640), (20, 3405276), (21, 3243120), (24, 2837730), (28, 2432340), (30, 2270184), (35, 1945872), (36, 1891820), (40, 1702638), (42, 1621560), (45, 1513456), (48, 1418865), (56, 1216170), (60, 1135092), (63, 1081040), (70, 972936), (72, 945910), (80, 851319), (84, 810780), (90, 756728), (105, 648624), (112, 608085), (120, 567546), (126, 540520), (140, 486468), (144, 472955), (168, 405390), (180, 378364), (210, 324312), (240, 283773), (252, 270260), (280, 243234), (315, 216208), (336, 202695), (360, 189182), (420, 162156), (504, 135130), (560, 121617), (630, 108104), (720, 94591), (840, 81078), (1008, 67565), (1260, 54052), (1680, 40539), (2520, 27026), (5040, 13513)]