15679420785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{6229}}^1$

素因数の和:6439

約数の個数: 96

約数和(自身を含む): 31815463680

約数和(自身を除く): 16136042895

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 131, 183, 305, 315, 393, 427, 549, 655, 915, 917, 1179, 1281, 1965, 2135, 2745, 2751, 3843, 4585, 5895, 6229, 6405, 7991, 8253, 13755, 18687, 19215, 23973, 31145, 39955, 41265, 43603, 55937, 56061, 71919, 93435, 119865, 130809, 167811, 218015, 279685, 280305, 359595, 379969, 392427, 503433, 654045, 815999, 839055, 1139907, 1899845, 1962135, 2447997, 2517165, 2659783, 3419721, 4079995, 5699535, 5711993, 7343991, 7979349, 12239985, 13298915, 17098605, 17135979, 23938047, 28559965, 36719955, 39896745, 49775939, 51407937, 85679895, 119690235, 149327817, 248879695, 257039685, 348431573, 447983451, 746639085, 1045294719, 1742157865, 2239917255, 3135884157, 5226473595, 15679420785]

約数ペア:

[(1, 15679420785), (3, 5226473595), (5, 3135884157), (7, 2239917255), (9, 1742157865), (15, 1045294719), (21, 746639085), (35, 447983451), (45, 348431573), (61, 257039685), (63, 248879695), (105, 149327817), (131, 119690235), (183, 85679895), (305, 51407937), (315, 49775939), (393, 39896745), (427, 36719955), (549, 28559965), (655, 23938047), (915, 17135979), (917, 17098605), (1179, 13298915), (1281, 12239985), (1965, 7979349), (2135, 7343991), (2745, 5711993), (2751, 5699535), (3843, 4079995), (4585, 3419721), (5895, 2659783), (6229, 2517165), (6405, 2447997), (7991, 1962135), (8253, 1899845), (13755, 1139907), (18687, 839055), (19215, 815999), (23973, 654045), (31145, 503433), (39955, 392427), (41265, 379969), (43603, 359595), (55937, 280305), (56061, 279685), (71919, 218015), (93435, 167811), (119865, 130809)]