81130680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1810

約数の個数: 128

約数和(自身を含む): 276883200

約数和(自身を除く): 195752520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1747, 1935, 2322, 2580, 3096, 3494, 3870, 4644, 5160, 5241, 5805, 6988, 7740, 8735, 9288, 10482, 11610, 13976, 15480, 15723, 17470, 20964, 23220, 26205, 31446, 34940, 41928, 46440, 47169, 52410, 62892, 69880, 75121, 78615, 94338, 104820, 125784, 150242, 157230, 188676, 209640, 225363, 235845, 300484, 314460, 375605, 377352, 450726, 471690, 600968, 628920, 676089, 751210, 901452, 943380, 1126815, 1352178, 1502420, 1802904, 1886760, 2028267, 2253630, 2704356, 3004840, 3380445, 4056534, 4507260, 5408712, 6760890, 8113068, 9014520, 10141335, 13521780, 16226136, 20282670, 27043560, 40565340, 81130680]

約数ペア:

[(1, 81130680), (2, 40565340), (3, 27043560), (4, 20282670), (5, 16226136), (6, 13521780), (8, 10141335), (9, 9014520), (10, 8113068), (12, 6760890), (15, 5408712), (18, 4507260), (20, 4056534), (24, 3380445), (27, 3004840), (30, 2704356), (36, 2253630), (40, 2028267), (43, 1886760), (45, 1802904), (54, 1502420), (60, 1352178), (72, 1126815), (86, 943380), (90, 901452), (108, 751210), (120, 676089), (129, 628920), (135, 600968), (172, 471690), (180, 450726), (215, 377352), (216, 375605), (258, 314460), (270, 300484), (344, 235845), (360, 225363), (387, 209640), (430, 188676), (516, 157230), (540, 150242), (645, 125784), (774, 104820), (860, 94338), (1032, 78615), (1080, 75121), (1161, 69880), (1290, 62892), (1548, 52410), (1720, 47169), (1747, 46440), (1935, 41928), (2322, 34940), (2580, 31446), (3096, 26205), (3494, 23220), (3870, 20964), (4644, 17470), (5160, 15723), (5241, 15480), (5805, 13976), (6988, 11610), (7740, 10482), (8735, 9288)]