81347400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1116

約数の個数: 144

約数和(自身を含む): 279810960

約数和(自身を除く): 198463560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 300, 344, 360, 387, 430, 450, 516, 600, 645, 774, 860, 900, 1032, 1051, 1075, 1290, 1548, 1720, 1800, 1935, 2102, 2150, 2580, 3096, 3153, 3225, 3870, 4204, 4300, 5160, 5255, 6306, 6450, 7740, 8408, 8600, 9459, 9675, 10510, 12612, 12900, 15480, 15765, 18918, 19350, 21020, 25224, 25800, 26275, 31530, 37836, 38700, 42040, 45193, 47295, 52550, 63060, 75672, 77400, 78825, 90386, 94590, 105100, 126120, 135579, 157650, 180772, 189180, 210200, 225965, 236475, 271158, 315300, 361544, 378360, 406737, 451930, 472950, 542316, 630600, 677895, 813474, 903860, 945900, 1084632, 1129825, 1355790, 1626948, 1807720, 1891800, 2033685, 2259650, 2711580, 3253896, 3389475, 4067370, 4519300, 5423160, 6778950, 8134740, 9038600, 10168425, 13557900, 16269480, 20336850, 27115800, 40673700, 81347400]

約数ペア:

[(1, 81347400), (2, 40673700), (3, 27115800), (4, 20336850), (5, 16269480), (6, 13557900), (8, 10168425), (9, 9038600), (10, 8134740), (12, 6778950), (15, 5423160), (18, 4519300), (20, 4067370), (24, 3389475), (25, 3253896), (30, 2711580), (36, 2259650), (40, 2033685), (43, 1891800), (45, 1807720), (50, 1626948), (60, 1355790), (72, 1129825), (75, 1084632), (86, 945900), (90, 903860), (100, 813474), (120, 677895), (129, 630600), (150, 542316), (172, 472950), (180, 451930), (200, 406737), (215, 378360), (225, 361544), (258, 315300), (300, 271158), (344, 236475), (360, 225965), (387, 210200), (430, 189180), (450, 180772), (516, 157650), (600, 135579), (645, 126120), (774, 105100), (860, 94590), (900, 90386), (1032, 78825), (1051, 77400), (1075, 75672), (1290, 63060), (1548, 52550), (1720, 47295), (1800, 45193), (1935, 42040), (2102, 38700), (2150, 37836), (2580, 31530), (3096, 26275), (3153, 25800), (3225, 25224), (3870, 21020), (4204, 19350), (4300, 18918), (5160, 15765), (5255, 15480), (6306, 12900), (6450, 12612), (7740, 10510), (8408, 9675), (8600, 9459)]