81969300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{4337}}^1$

素因数の和:4367

約数の個数: 144

約数和(自身を含む): 301230720

約数和(自身を除く): 219261420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4337, 4725, 6300, 8674, 9450, 13011, 17348, 18900, 21685, 26022, 30359, 39033, 43370, 52044, 60718, 65055, 78066, 86740, 91077, 108425, 117099, 121436, 130110, 151795, 156132, 182154, 195165, 216850, 234198, 260220, 273231, 303590, 325275, 364308, 390330, 433700, 455385, 468396, 546462, 585495, 607180, 650550, 758975, 780660, 819693, 910770, 975825, 1092924, 1170990, 1301100, 1366155, 1517950, 1639386, 1821540, 1951650, 2276925, 2341980, 2732310, 2927475, 3035900, 3278772, 3903300, 4098465, 4553850, 5464620, 5854950, 6830775, 8196930, 9107700, 11709900, 13661550, 16393860, 20492325, 27323100, 40984650, 81969300]

約数ペア:

[(1, 81969300), (2, 40984650), (3, 27323100), (4, 20492325), (5, 16393860), (6, 13661550), (7, 11709900), (9, 9107700), (10, 8196930), (12, 6830775), (14, 5854950), (15, 5464620), (18, 4553850), (20, 4098465), (21, 3903300), (25, 3278772), (27, 3035900), (28, 2927475), (30, 2732310), (35, 2341980), (36, 2276925), (42, 1951650), (45, 1821540), (50, 1639386), (54, 1517950), (60, 1366155), (63, 1301100), (70, 1170990), (75, 1092924), (84, 975825), (90, 910770), (100, 819693), (105, 780660), (108, 758975), (126, 650550), (135, 607180), (140, 585495), (150, 546462), (175, 468396), (180, 455385), (189, 433700), (210, 390330), (225, 364308), (252, 325275), (270, 303590), (300, 273231), (315, 260220), (350, 234198), (378, 216850), (420, 195165), (450, 182154), (525, 156132), (540, 151795), (630, 130110), (675, 121436), (700, 117099), (756, 108425), (900, 91077), (945, 86740), (1050, 78066), (1260, 65055), (1350, 60718), (1575, 52044), (1890, 43370), (2100, 39033), (2700, 30359), (3150, 26022), (3780, 21685), (4337, 18900), (4725, 17348), (6300, 13011), (8674, 9450)]