204876240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 674956800

約数和(自身を除く): 470080560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 179, 190, 228, 240, 251, 285, 304, 358, 380, 456, 502, 537, 570, 716, 753, 760, 895, 912, 1004, 1074, 1140, 1255, 1432, 1506, 1520, 1790, 2008, 2148, 2280, 2510, 2685, 2864, 3012, 3401, 3580, 3765, 4016, 4296, 4560, 4769, 5020, 5370, 6024, 6802, 7160, 7530, 8592, 9538, 10040, 10203, 10740, 12048, 13604, 14307, 14320, 15060, 17005, 19076, 20080, 20406, 21480, 23845, 27208, 28614, 30120, 34010, 38152, 40812, 42960, 44929, 47690, 51015, 54416, 57228, 60240, 68020, 71535, 76304, 81624, 89858, 95380, 102030, 114456, 134787, 136040, 143070, 163248, 179716, 190760, 204060, 224645, 228912, 269574, 272080, 286140, 359432, 381520, 408120, 449290, 539148, 572280, 673935, 718864, 816240, 853651, 898580, 1078296, 1144560, 1347870, 1707302, 1797160, 2156592, 2560953, 2695740, 3414604, 3594320, 4268255, 5121906, 5391480, 6829208, 8536510, 10243812, 10782960, 12804765, 13658416, 17073020, 20487624, 25609530, 34146040, 40975248, 51219060, 68292080, 102438120, 204876240]

約数ペア:

[(1, 204876240), (2, 102438120), (3, 68292080), (4, 51219060), (5, 40975248), (6, 34146040), (8, 25609530), (10, 20487624), (12, 17073020), (15, 13658416), (16, 12804765), (19, 10782960), (20, 10243812), (24, 8536510), (30, 6829208), (38, 5391480), (40, 5121906), (48, 4268255), (57, 3594320), (60, 3414604), (76, 2695740), (80, 2560953), (95, 2156592), (114, 1797160), (120, 1707302), (152, 1347870), (179, 1144560), (190, 1078296), (228, 898580), (240, 853651), (251, 816240), (285, 718864), (304, 673935), (358, 572280), (380, 539148), (456, 449290), (502, 408120), (537, 381520), (570, 359432), (716, 286140), (753, 272080), (760, 269574), (895, 228912), (912, 224645), (1004, 204060), (1074, 190760), (1140, 179716), (1255, 163248), (1432, 143070), (1506, 136040), (1520, 134787), (1790, 114456), (2008, 102030), (2148, 95380), (2280, 89858), (2510, 81624), (2685, 76304), (2864, 71535), (3012, 68020), (3401, 60240), (3580, 57228), (3765, 54416), (4016, 51015), (4296, 47690), (4560, 44929), (4769, 42960), (5020, 40812), (5370, 38152), (6024, 34010), (6802, 30120), (7160, 28614), (7530, 27208), (8592, 23845), (9538, 21480), (10040, 20406), (10203, 20080), (10740, 19076), (12048, 17005), (13604, 15060), (14307, 14320)]