2018578725

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 3992744448

約数和(自身を除く): 1974165723

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 191, 225, 255, 307, 405, 425, 459, 573, 675, 765, 921, 955, 1275, 1377, 1535, 1719, 2025, 2295, 2763, 2865, 3247, 3825, 4605, 4775, 5157, 5219, 6885, 7675, 8289, 8595, 9741, 11475, 13815, 14325, 15471, 15657, 16235, 23025, 24867, 25785, 26095, 29223, 34425, 41445, 42975, 46971, 48705, 58637, 69075, 77355, 78285, 81175, 87669, 124335, 128925, 130475, 140913, 146115, 175911, 207225, 234855, 243525, 263007, 293185, 386775, 391425, 422739, 438345, 527733, 621675, 704565, 730575, 879555, 996829, 1174275, 1315035, 1465925, 1583199, 2113695, 2191725, 2638665, 2990487, 3522825, 4397775, 4749597, 4984145, 6575175, 7915995, 8971461, 10568475, 13193325, 14952435, 23747985, 24920725, 26914383, 39579975, 44857305, 74762175, 80743149, 118739925, 134571915, 224286525, 403715745, 672859575, 2018578725]

約数ペア:

[(1, 2018578725), (3, 672859575), (5, 403715745), (9, 224286525), (15, 134571915), (17, 118739925), (25, 80743149), (27, 74762175), (45, 44857305), (51, 39579975), (75, 26914383), (81, 24920725), (85, 23747985), (135, 14952435), (153, 13193325), (191, 10568475), (225, 8971461), (255, 7915995), (307, 6575175), (405, 4984145), (425, 4749597), (459, 4397775), (573, 3522825), (675, 2990487), (765, 2638665), (921, 2191725), (955, 2113695), (1275, 1583199), (1377, 1465925), (1535, 1315035), (1719, 1174275), (2025, 996829), (2295, 879555), (2763, 730575), (2865, 704565), (3247, 621675), (3825, 527733), (4605, 438345), (4775, 422739), (5157, 391425), (5219, 386775), (6885, 293185), (7675, 263007), (8289, 243525), (8595, 234855), (9741, 207225), (11475, 175911), (13815, 146115), (14325, 140913), (15471, 130475), (15657, 128925), (16235, 124335), (23025, 87669), (24867, 81175), (25785, 78285), (26095, 77355), (29223, 69075), (34425, 58637), (41445, 48705), (42975, 46971)]