131386640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 180

約数和(自身を含む): 391998348

約数和(自身を除く): 260611708

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 277, 280, 308, 385, 392, 440, 484, 490, 539, 554, 560, 605, 616, 770, 784, 847, 880, 968, 980, 1078, 1108, 1210, 1232, 1385, 1540, 1694, 1936, 1939, 1960, 2156, 2216, 2420, 2695, 2770, 3047, 3080, 3388, 3878, 3920, 4235, 4312, 4432, 4840, 5390, 5540, 5929, 6094, 6160, 6776, 7756, 8470, 8624, 9680, 9695, 10780, 11080, 11858, 12188, 13552, 13573, 15235, 15512, 16940, 19390, 21329, 21560, 22160, 23716, 24376, 27146, 29645, 30470, 31024, 33517, 33880, 38780, 42658, 43120, 47432, 48752, 54292, 59290, 60940, 67034, 67760, 67865, 77560, 85316, 94864, 106645, 108584, 118580, 121880, 134068, 135730, 149303, 155120, 167585, 170632, 213290, 217168, 234619, 237160, 243760, 268136, 271460, 298606, 335170, 341264, 426580, 469238, 474320, 536272, 542920, 597212, 670340, 746515, 853160, 938476, 1085840, 1173095, 1194424, 1340680, 1493030, 1642333, 1706320, 1876952, 2346190, 2388848, 2681360, 2986060, 3284666, 3753904, 4692380, 5972120, 6569332, 8211665, 9384760, 11944240, 13138664, 16423330, 18769520, 26277328, 32846660, 65693320, 131386640]

約数ペア:

[(1, 131386640), (2, 65693320), (4, 32846660), (5, 26277328), (7, 18769520), (8, 16423330), (10, 13138664), (11, 11944240), (14, 9384760), (16, 8211665), (20, 6569332), (22, 5972120), (28, 4692380), (35, 3753904), (40, 3284666), (44, 2986060), (49, 2681360), (55, 2388848), (56, 2346190), (70, 1876952), (77, 1706320), (80, 1642333), (88, 1493030), (98, 1340680), (110, 1194424), (112, 1173095), (121, 1085840), (140, 938476), (154, 853160), (176, 746515), (196, 670340), (220, 597212), (242, 542920), (245, 536272), (277, 474320), (280, 469238), (308, 426580), (385, 341264), (392, 335170), (440, 298606), (484, 271460), (490, 268136), (539, 243760), (554, 237160), (560, 234619), (605, 217168), (616, 213290), (770, 170632), (784, 167585), (847, 155120), (880, 149303), (968, 135730), (980, 134068), (1078, 121880), (1108, 118580), (1210, 108584), (1232, 106645), (1385, 94864), (1540, 85316), (1694, 77560), (1936, 67865), (1939, 67760), (1960, 67034), (2156, 60940), (2216, 59290), (2420, 54292), (2695, 48752), (2770, 47432), (3047, 43120), (3080, 42658), (3388, 38780), (3878, 33880), (3920, 33517), (4235, 31024), (4312, 30470), (4432, 29645), (4840, 27146), (5390, 24376), (5540, 23716), (5929, 22160), (6094, 21560), (6160, 21329), (6776, 19390), (7756, 16940), (8470, 15512), (8624, 15235), (9680, 13573), (9695, 13552), (10780, 12188), (11080, 11858)]