51266816280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{215443}}^1$

素因数の和:216121

約数の個数: 96

約数和(自身を含む): 166869995760

約数和(自身を除く): 115603179480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 661, 1322, 1983, 2644, 3305, 3966, 5288, 5949, 6610, 7932, 9915, 11898, 13220, 15864, 19830, 23796, 26440, 29745, 39660, 47592, 59490, 79320, 118980, 215443, 237960, 430886, 646329, 861772, 1077215, 1292658, 1723544, 1938987, 2154430, 2585316, 3231645, 3877974, 4308860, 5170632, 6463290, 7755948, 8617720, 9694935, 12926580, 15511896, 19389870, 25853160, 38779740, 77559480, 142407823, 284815646, 427223469, 569631292, 712039115, 854446938, 1139262584, 1281670407, 1424078230, 1708893876, 2136117345, 2563340814, 2848156460, 3417787752, 4272234690, 5126681628, 5696312920, 6408352035, 8544469380, 10253363256, 12816704070, 17088938760, 25633408140, 51266816280]

約数ペア:

[(1, 51266816280), (2, 25633408140), (3, 17088938760), (4, 12816704070), (5, 10253363256), (6, 8544469380), (8, 6408352035), (9, 5696312920), (10, 5126681628), (12, 4272234690), (15, 3417787752), (18, 2848156460), (20, 2563340814), (24, 2136117345), (30, 1708893876), (36, 1424078230), (40, 1281670407), (45, 1139262584), (60, 854446938), (72, 712039115), (90, 569631292), (120, 427223469), (180, 284815646), (360, 142407823), (661, 77559480), (1322, 38779740), (1983, 25853160), (2644, 19389870), (3305, 15511896), (3966, 12926580), (5288, 9694935), (5949, 8617720), (6610, 7755948), (7932, 6463290), (9915, 5170632), (11898, 4308860), (13220, 3877974), (15864, 3231645), (19830, 2585316), (23796, 2154430), (26440, 1938987), (29745, 1723544), (39660, 1292658), (47592, 1077215), (59490, 861772), (79320, 646329), (118980, 430886), (215443, 237960)]