861539400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{11131}}^1$

素因数の和:11196

約数の個数: 144

約数和(自身を含む): 2960889360

約数和(自身を除く): 2099349960

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, 1075, 1290, 1548, 1720, 1800, 1935, 2150, 2580, 3096, 3225, 3870, 4300, 5160, 6450, 7740, 8600, 9675, 11131, 12900, 15480, 19350, 22262, 25800, 33393, 38700, 44524, 55655, 66786, 77400, 89048, 100179, 111310, 133572, 166965, 200358, 222620, 267144, 278275, 333930, 400716, 445240, 478633, 500895, 556550, 667860, 801432, 834825, 957266, 1001790, 1113100, 1335720, 1435899, 1669650, 1914532, 2003580, 2226200, 2393165, 2504475, 2871798, 3339300, 3829064, 4007160, 4307697, 4786330, 5008950, 5743596, 6678600, 7179495, 8615394, 9572660, 10017900, 11487192, 11965825, 14358990, 17230788, 19145320, 20035800, 21538485, 23931650, 28717980, 34461576, 35897475, 43076970, 47863300, 57435960, 71794950, 86153940, 95726600, 107692425, 143589900, 172307880, 215384850, 287179800, 430769700, 861539400]

約数ペア:

[(1, 861539400), (2, 430769700), (3, 287179800), (4, 215384850), (5, 172307880), (6, 143589900), (8, 107692425), (9, 95726600), (10, 86153940), (12, 71794950), (15, 57435960), (18, 47863300), (20, 43076970), (24, 35897475), (25, 34461576), (30, 28717980), (36, 23931650), (40, 21538485), (43, 20035800), (45, 19145320), (50, 17230788), (60, 14358990), (72, 11965825), (75, 11487192), (86, 10017900), (90, 9572660), (100, 8615394), (120, 7179495), (129, 6678600), (150, 5743596), (172, 5008950), (180, 4786330), (200, 4307697), (215, 4007160), (225, 3829064), (258, 3339300), (300, 2871798), (344, 2504475), (360, 2393165), (387, 2226200), (430, 2003580), (450, 1914532), (516, 1669650), (600, 1435899), (645, 1335720), (774, 1113100), (860, 1001790), (900, 957266), (1032, 834825), (1075, 801432), (1290, 667860), (1548, 556550), (1720, 500895), (1800, 478633), (1935, 445240), (2150, 400716), (2580, 333930), (3096, 278275), (3225, 267144), (3870, 222620), (4300, 200358), (5160, 166965), (6450, 133572), (7740, 111310), (8600, 100179), (9675, 89048), (11131, 77400), (12900, 66786), (15480, 55655), (19350, 44524), (22262, 38700), (25800, 33393)]