26806780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 76737024

約数和(自身を除く): 49930244

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 103, 110, 130, 140, 143, 154, 169, 182, 206, 220, 260, 286, 308, 338, 364, 385, 412, 455, 515, 572, 676, 715, 721, 770, 845, 910, 1001, 1030, 1133, 1183, 1339, 1430, 1442, 1540, 1690, 1820, 1859, 2002, 2060, 2266, 2366, 2678, 2860, 2884, 3380, 3605, 3718, 4004, 4532, 4732, 5005, 5356, 5665, 5915, 6695, 7210, 7436, 7931, 9295, 9373, 10010, 11330, 11830, 13013, 13390, 14420, 14729, 15862, 17407, 18590, 18746, 20020, 22660, 23660, 26026, 26780, 29458, 31724, 34814, 37180, 37492, 39655, 46865, 52052, 58916, 65065, 69628, 73645, 79310, 87035, 93730, 103103, 121849, 130130, 147290, 158620, 174070, 187460, 191477, 206206, 243698, 260260, 294580, 348140, 382954, 412412, 487396, 515515, 609245, 765908, 957385, 1031030, 1218490, 1340339, 1914770, 2062060, 2436980, 2680678, 3829540, 5361356, 6701695, 13403390, 26806780]

約数ペア:

[(1, 26806780), (2, 13403390), (4, 6701695), (5, 5361356), (7, 3829540), (10, 2680678), (11, 2436980), (13, 2062060), (14, 1914770), (20, 1340339), (22, 1218490), (26, 1031030), (28, 957385), (35, 765908), (44, 609245), (52, 515515), (55, 487396), (65, 412412), (70, 382954), (77, 348140), (91, 294580), (103, 260260), (110, 243698), (130, 206206), (140, 191477), (143, 187460), (154, 174070), (169, 158620), (182, 147290), (206, 130130), (220, 121849), (260, 103103), (286, 93730), (308, 87035), (338, 79310), (364, 73645), (385, 69628), (412, 65065), (455, 58916), (515, 52052), (572, 46865), (676, 39655), (715, 37492), (721, 37180), (770, 34814), (845, 31724), (910, 29458), (1001, 26780), (1030, 26026), (1133, 23660), (1183, 22660), (1339, 20020), (1430, 18746), (1442, 18590), (1540, 17407), (1690, 15862), (1820, 14729), (1859, 14420), (2002, 13390), (2060, 13013), (2266, 11830), (2366, 11330), (2678, 10010), (2860, 9373), (2884, 9295), (3380, 7931), (3605, 7436), (3718, 7210), (4004, 6695), (4532, 5915), (4732, 5665), (5005, 5356)]