855455760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27631}}^1$

素因数の和:27693

約数の個数: 120

約数和(自身を含む): 2939823744

約数和(自身を除く): 2084367984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 27631, 30960, 55262, 82893, 110524, 138155, 165786, 221048, 248679, 276310, 331572, 414465, 442096, 497358, 552620, 663144, 828930, 994716, 1105240, 1188133, 1243395, 1326288, 1657860, 1989432, 2210480, 2376266, 2486790, 3315720, 3564399, 3978864, 4752532, 4973580, 5940665, 6631440, 7128798, 9505064, 9947160, 10693197, 11881330, 14257596, 17821995, 19010128, 19894320, 21386394, 23762660, 28515192, 35643990, 42772788, 47525320, 53465985, 57030384, 71287980, 85545576, 95050640, 106931970, 142575960, 171091152, 213863940, 285151920, 427727880, 855455760]

約数ペア:

[(1, 855455760), (2, 427727880), (3, 285151920), (4, 213863940), (5, 171091152), (6, 142575960), (8, 106931970), (9, 95050640), (10, 85545576), (12, 71287980), (15, 57030384), (16, 53465985), (18, 47525320), (20, 42772788), (24, 35643990), (30, 28515192), (36, 23762660), (40, 21386394), (43, 19894320), (45, 19010128), (48, 17821995), (60, 14257596), (72, 11881330), (80, 10693197), (86, 9947160), (90, 9505064), (120, 7128798), (129, 6631440), (144, 5940665), (172, 4973580), (180, 4752532), (215, 3978864), (240, 3564399), (258, 3315720), (344, 2486790), (360, 2376266), (387, 2210480), (430, 1989432), (516, 1657860), (645, 1326288), (688, 1243395), (720, 1188133), (774, 1105240), (860, 994716), (1032, 828930), (1290, 663144), (1548, 552620), (1720, 497358), (1935, 442096), (2064, 414465), (2580, 331572), (3096, 276310), (3440, 248679), (3870, 221048), (5160, 165786), (6192, 138155), (7740, 110524), (10320, 82893), (15480, 55262), (27631, 30960)]