278678700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 943342400

約数和(自身を除く): 664663700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 43, 45, 50, 57, 60, 75, 76, 86, 90, 95, 100, 114, 129, 150, 171, 172, 180, 190, 215, 225, 228, 258, 285, 300, 342, 379, 380, 387, 430, 450, 475, 516, 570, 645, 684, 758, 774, 817, 855, 860, 900, 950, 1075, 1137, 1140, 1290, 1425, 1516, 1548, 1634, 1710, 1895, 1900, 1935, 2150, 2274, 2451, 2580, 2850, 3225, 3268, 3411, 3420, 3790, 3870, 4085, 4275, 4300, 4548, 4902, 5685, 5700, 6450, 6822, 7201, 7353, 7580, 7740, 8170, 8550, 9475, 9675, 9804, 11370, 12255, 12900, 13644, 14402, 14706, 16297, 16340, 17055, 17100, 18950, 19350, 20425, 21603, 22740, 24510, 28425, 28804, 29412, 32594, 34110, 36005, 36765, 37900, 38700, 40850, 43206, 48891, 49020, 56850, 61275, 64809, 65188, 68220, 72010, 73530, 81485, 81700, 85275, 86412, 97782, 108015, 113700, 122550, 129618, 144020, 146673, 147060, 162970, 170550, 180025, 183825, 195564, 216030, 244455, 245100, 259236, 293346, 309643, 324045, 325940, 341100, 360050, 367650, 407425, 432060, 488910, 540075, 586692, 619286, 648090, 720100, 733365, 735300, 814850, 928929, 977820, 1080150, 1222275, 1238572, 1296180, 1466730, 1548215, 1620225, 1629700, 1857858, 2160300, 2444550, 2786787, 2933460, 3096430, 3240450, 3666825, 3715716, 4644645, 4889100, 5573574, 6192860, 6480900, 7333650, 7741075, 9289290, 11147148, 13933935, 14667300, 15482150, 18578580, 23223225, 27867870, 30964300, 46446450, 55735740, 69669675, 92892900, 139339350, 278678700]

約数ペア:

[(1, 278678700), (2, 139339350), (3, 92892900), (4, 69669675), (5, 55735740), (6, 46446450), (9, 30964300), (10, 27867870), (12, 23223225), (15, 18578580), (18, 15482150), (19, 14667300), (20, 13933935), (25, 11147148), (30, 9289290), (36, 7741075), (38, 7333650), (43, 6480900), (45, 6192860), (50, 5573574), (57, 4889100), (60, 4644645), (75, 3715716), (76, 3666825), (86, 3240450), (90, 3096430), (95, 2933460), (100, 2786787), (114, 2444550), (129, 2160300), (150, 1857858), (171, 1629700), (172, 1620225), (180, 1548215), (190, 1466730), (215, 1296180), (225, 1238572), (228, 1222275), (258, 1080150), (285, 977820), (300, 928929), (342, 814850), (379, 735300), (380, 733365), (387, 720100), (430, 648090), (450, 619286), (475, 586692), (516, 540075), (570, 488910), (645, 432060), (684, 407425), (758, 367650), (774, 360050), (817, 341100), (855, 325940), (860, 324045), (900, 309643), (950, 293346), (1075, 259236), (1137, 245100), (1140, 244455), (1290, 216030), (1425, 195564), (1516, 183825), (1548, 180025), (1634, 170550), (1710, 162970), (1895, 147060), (1900, 146673), (1935, 144020), (2150, 129618), (2274, 122550), (2451, 113700), (2580, 108015), (2850, 97782), (3225, 86412), (3268, 85275), (3411, 81700), (3420, 81485), (3790, 73530), (3870, 72010), (4085, 68220), (4275, 65188), (4300, 64809), (4548, 61275), (4902, 56850), (5685, 49020), (5700, 48891), (6450, 43206), (6822, 40850), (7201, 38700), (7353, 37900), (7580, 36765), (7740, 36005), (8170, 34110), (8550, 32594), (9475, 29412), (9675, 28804), (9804, 28425), (11370, 24510), (12255, 22740), (12900, 21603), (13644, 20425), (14402, 19350), (14706, 18950), (16297, 17100), (16340, 17055)]