81784710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3019}}^1$

素因数の和:3082

約数の個数: 96

約数和(自身を含む): 248751360

約数和(自身を除く): 166966650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 774, 903, 1290, 1505, 1806, 1935, 2709, 3010, 3019, 3870, 4515, 5418, 6038, 9030, 9057, 13545, 15095, 18114, 21133, 27090, 27171, 30190, 42266, 45285, 54342, 63399, 90570, 105665, 126798, 129817, 135855, 190197, 211330, 259634, 271710, 316995, 380394, 389451, 633990, 649085, 778902, 908719, 950985, 1168353, 1298170, 1817438, 1901970, 1947255, 2336706, 2726157, 3894510, 4543595, 5452314, 5841765, 8178471, 9087190, 11683530, 13630785, 16356942, 27261570, 40892355, 81784710]

約数ペア:

[(1, 81784710), (2, 40892355), (3, 27261570), (5, 16356942), (6, 13630785), (7, 11683530), (9, 9087190), (10, 8178471), (14, 5841765), (15, 5452314), (18, 4543595), (21, 3894510), (30, 2726157), (35, 2336706), (42, 1947255), (43, 1901970), (45, 1817438), (63, 1298170), (70, 1168353), (86, 950985), (90, 908719), (105, 778902), (126, 649085), (129, 633990), (210, 389451), (215, 380394), (258, 316995), (301, 271710), (315, 259634), (387, 211330), (430, 190197), (602, 135855), (630, 129817), (645, 126798), (774, 105665), (903, 90570), (1290, 63399), (1505, 54342), (1806, 45285), (1935, 42266), (2709, 30190), (3010, 27171), (3019, 27090), (3870, 21133), (4515, 18114), (5418, 15095), (6038, 13545), (9030, 9057)]