8345520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 28609776

約数和(自身を除く): 20264256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 173, 180, 201, 240, 268, 335, 346, 360, 402, 519, 536, 603, 670, 692, 720, 804, 865, 1005, 1038, 1072, 1206, 1340, 1384, 1557, 1608, 1730, 2010, 2076, 2412, 2595, 2680, 2768, 3015, 3114, 3216, 3460, 4020, 4152, 4824, 5190, 5360, 6030, 6228, 6920, 7785, 8040, 8304, 9648, 10380, 11591, 12060, 12456, 13840, 15570, 16080, 20760, 23182, 24120, 24912, 31140, 34773, 41520, 46364, 48240, 57955, 62280, 69546, 92728, 104319, 115910, 124560, 139092, 173865, 185456, 208638, 231820, 278184, 347730, 417276, 463640, 521595, 556368, 695460, 834552, 927280, 1043190, 1390920, 1669104, 2086380, 2781840, 4172760, 8345520]

約数ペア:

[(1, 8345520), (2, 4172760), (3, 2781840), (4, 2086380), (5, 1669104), (6, 1390920), (8, 1043190), (9, 927280), (10, 834552), (12, 695460), (15, 556368), (16, 521595), (18, 463640), (20, 417276), (24, 347730), (30, 278184), (36, 231820), (40, 208638), (45, 185456), (48, 173865), (60, 139092), (67, 124560), (72, 115910), (80, 104319), (90, 92728), (120, 69546), (134, 62280), (144, 57955), (173, 48240), (180, 46364), (201, 41520), (240, 34773), (268, 31140), (335, 24912), (346, 24120), (360, 23182), (402, 20760), (519, 16080), (536, 15570), (603, 13840), (670, 12456), (692, 12060), (720, 11591), (804, 10380), (865, 9648), (1005, 8304), (1038, 8040), (1072, 7785), (1206, 6920), (1340, 6228), (1384, 6030), (1557, 5360), (1608, 5190), (1730, 4824), (2010, 4152), (2076, 4020), (2412, 3460), (2595, 3216), (2680, 3114), (2768, 3015)]