78298240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 202694400

約数和(自身を除く): 124396160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 137, 152, 160, 188, 190, 235, 274, 304, 320, 376, 380, 470, 548, 608, 640, 685, 752, 760, 893, 940, 1096, 1216, 1370, 1504, 1520, 1786, 1880, 2192, 2432, 2603, 2740, 3008, 3040, 3572, 3760, 4384, 4465, 5206, 5480, 6016, 6080, 6439, 7144, 7520, 8768, 8930, 10412, 10960, 12160, 12878, 13015, 14288, 15040, 17536, 17860, 20824, 21920, 25756, 26030, 28576, 30080, 32195, 35720, 41648, 43840, 51512, 52060, 57152, 64390, 71440, 83296, 87680, 103024, 104120, 114304, 122341, 128780, 142880, 166592, 206048, 208240, 244682, 257560, 285760, 333184, 412096, 416480, 489364, 515120, 571520, 611705, 824192, 832960, 978728, 1030240, 1223410, 1665920, 1957456, 2060480, 2446820, 3914912, 4120960, 4893640, 7829824, 9787280, 15659648, 19574560, 39149120, 78298240]

約数ペア:

[(1, 78298240), (2, 39149120), (4, 19574560), (5, 15659648), (8, 9787280), (10, 7829824), (16, 4893640), (19, 4120960), (20, 3914912), (32, 2446820), (38, 2060480), (40, 1957456), (47, 1665920), (64, 1223410), (76, 1030240), (80, 978728), (94, 832960), (95, 824192), (128, 611705), (137, 571520), (152, 515120), (160, 489364), (188, 416480), (190, 412096), (235, 333184), (274, 285760), (304, 257560), (320, 244682), (376, 208240), (380, 206048), (470, 166592), (548, 142880), (608, 128780), (640, 122341), (685, 114304), (752, 104120), (760, 103024), (893, 87680), (940, 83296), (1096, 71440), (1216, 64390), (1370, 57152), (1504, 52060), (1520, 51512), (1786, 43840), (1880, 41648), (2192, 35720), (2432, 32195), (2603, 30080), (2740, 28576), (3008, 26030), (3040, 25756), (3572, 21920), (3760, 20824), (4384, 17860), (4465, 17536), (5206, 15040), (5480, 14288), (6016, 13015), (6080, 12878), (6439, 12160), (7144, 10960), (7520, 10412), (8768, 8930)]